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cve-2020-16135
Vulnerability from cvelistv5
Published
2020-07-29 20:20
Modified
2024-08-04 13:37
Severity ?
EPSS score ?
Summary
libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.
References
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Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCIKQRKXAAB4HMWM62EPZJ4DVBHIIEG6/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNW5GBC6JFN76VEWQXMLT5F7VCZ5AJ2E/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.gentoo.org/glsa/202011-05\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4447-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpuapr2022.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]}]}}" } }
WID-SEC-W-2024-0438
Vulnerability from csaf_certbund
Published
2020-07-29 22:00
Modified
2024-05-07 22:00
Summary
libssh: Schwachstelle ermöglicht Denial of Service
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
libssh ist eine C Bibliothek für das Anbieten von SSH Diensten auf Client- und Serverseite. Sie kann genutzt werden, um aus der Ferne Programme auszuführen, Dateien zu übertragen oder als sicherer und transparenter Tunnel für entfernte Programme genutzt werden.
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in libssh ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux
- UNIX
{ "document": { "aggregate_severity": { "text": "mittel" }, "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "de-DE", "notes": [ { "category": "legal_disclaimer", "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen." }, { "category": "description", "text": "libssh ist eine C Bibliothek f\u00fcr das Anbieten von SSH Diensten auf Client- und Serverseite. Sie kann genutzt werden, um aus der Ferne Programme auszuf\u00fchren, Dateien zu \u00fcbertragen oder als sicherer und transparenter Tunnel f\u00fcr entfernte Programme genutzt werden.", "title": "Produktbeschreibung" }, { "category": "summary", "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in libssh ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.", "title": "Angriff" }, { "category": "general", "text": "- Linux\n- UNIX", "title": "Betroffene Betriebssysteme" } ], "publisher": { "category": "other", "contact_details": "csaf-provider@cert-bund.de", "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik", "namespace": "https://www.bsi.bund.de" }, "references": [ { "category": "self", "summary": "WID-SEC-W-2024-0438 - CSAF Version", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2024-0438.json" }, { "category": "self", "summary": "WID-SEC-2024-0438 - Portal Version", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0438" }, { "category": "external", "summary": "NIST Database vom 2020-07-29", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-16135" }, { "category": "external", "summary": "Libssh bugs", "url": "https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238" }, { "category": "external", "summary": "Debian Security Advisory DLA-2303 vom 2020-08-01", "url": "https://lists.debian.org/debian-lts-announce/2020/debian-lts-announce-202007/msg00034.html" }, { "category": "external", "summary": "Ubuntu Security Notice USN-4447-1 vom 2020-08-04", "url": "https://usn.ubuntu.com/4447-1/" }, { "category": "external", "summary": "Gentoo Linux Security Advisory GLSA-202011-05 vom 2020-11-03", "url": "https://security.gentoo.org/glsa/202011-05" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2021:4387 vom 2021-11-09", "url": "https://access.redhat.com/errata/RHSA-2021:4387" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2021:4750 vom 2021-11-19", "url": "https://access.redhat.com/errata/RHSA-2021:4750" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2021:4848 vom 2021-11-29", "url": "https://access.redhat.com/errata/RHSA-2021:4848" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2021:4845 vom 2021-11-29", "url": "https://access.redhat.com/errata/RHSA-2021:4845" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2022:0318 vom 2022-01-27", "url": "https://access.redhat.com/errata/RHSA-2022:0318" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2022:0434 vom 2022-02-04", "url": "https://access.redhat.com/errata/RHSA-2022:0434" }, { "category": "external", "summary": "SUSE Security Update SUSE-SU-2024:0539-1 vom 2024-02-20", "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017974.html" }, { "category": "external", "summary": "Dell Security Advisory DSA-2024-198 vom 2024-05-08", "url": "https://www.dell.com/support/kbdoc/000224827/dsa-2024-=" } ], "source_lang": "en-US", "title": "libssh: Schwachstelle erm\u00f6glicht Denial of Service", "tracking": { "current_release_date": "2024-05-07T22:00:00.000+00:00", "generator": { "date": "2024-05-08T08:11:03.143+00:00", "engine": { "name": "BSI-WID", "version": "1.3.0" } }, "id": "WID-SEC-W-2024-0438", "initial_release_date": "2020-07-29T22:00:00.000+00:00", "revision_history": [ { "date": "2020-07-29T22:00:00.000+00:00", "number": "1", "summary": "Initiale Fassung" }, { "date": "2020-08-02T22:00:00.000+00:00", "number": "2", "summary": "Neue Updates von Debian aufgenommen" }, { "date": "2020-08-04T22:00:00.000+00:00", "number": "3", "summary": "Neue Updates von Ubuntu aufgenommen" }, { "date": "2020-09-10T22:00:00.000+00:00", "number": "4", "summary": "Referenz(en) aufgenommen: FEDORA-2020-F4F5E49CB8" }, { "date": "2020-09-13T22:00:00.000+00:00", "number": "5", "summary": "Referenz(en) aufgenommen: FEDORA-2020-AC3E29073F" }, { "date": "2020-11-02T23:00:00.000+00:00", "number": "6", "summary": "Neue Updates von Gentoo aufgenommen" }, { "date": "2021-11-09T23:00:00.000+00:00", "number": "7", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2021-11-21T23:00:00.000+00:00", "number": "8", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2021-11-29T23:00:00.000+00:00", "number": "9", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2022-01-27T23:00:00.000+00:00", "number": "10", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2022-02-03T23:00:00.000+00:00", "number": "11", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2024-02-20T23:00:00.000+00:00", "number": "12", "summary": "Neue Updates von SUSE aufgenommen" }, { "date": "2024-05-07T22:00:00.000+00:00", "number": "13", "summary": "Neue Updates von Dell aufgenommen" } ], "status": "final", "version": "13" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_name", "name": "Debian Linux", "product": { "name": "Debian Linux", "product_id": "2951", "product_identification_helper": { "cpe": "cpe:/o:debian:debian_linux:-" } } } ], "category": "vendor", "name": "Debian" }, { "branches": [ { "branches": [ { "category": "product_version", "name": "virtual", "product": { "name": "Dell NetWorker virtual", "product_id": "T034583", "product_identification_helper": { "cpe": "cpe:/a:dell:networker:virtual" } } } ], "category": "product_name", "name": "NetWorker" } ], "category": "vendor", "name": "Dell" }, { "branches": [ { "category": "product_name", "name": "EMC Avamar", "product": { "name": "EMC Avamar", "product_id": "T014381", "product_identification_helper": { "cpe": "cpe:/a:emc:avamar:-" } } } ], "category": "vendor", "name": "EMC" }, { "branches": [ { "category": "product_name", "name": "Gentoo Linux", "product": { "name": "Gentoo Linux", "product_id": "T012167", "product_identification_helper": { "cpe": "cpe:/o:gentoo:linux:-" } } } ], "category": "vendor", "name": "Gentoo" }, { "branches": [ { "branches": [ { "category": "product_version", "name": "0.9.4", "product": { "name": "Open Source libssh 0.9.4", "product_id": "729746", "product_identification_helper": { "cpe": "cpe:/a:libssh:libssh:0.9.4" } } } ], "category": "product_name", "name": "libssh" } ], "category": "vendor", "name": "Open Source" }, { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux", "product": { "name": "Red Hat Enterprise Linux", "product_id": "67646", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:-" } } } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "category": "product_name", "name": "SUSE Linux", "product": { "name": "SUSE Linux", "product_id": "T002207", "product_identification_helper": { "cpe": "cpe:/o:suse:suse_linux:-" } } } ], "category": "vendor", "name": "SUSE" }, { "branches": [ { "category": "product_name", "name": "Ubuntu Linux", "product": { "name": "Ubuntu Linux", "product_id": "T000126", "product_identification_helper": { "cpe": "cpe:/o:canonical:ubuntu_linux:-" } } } ], "category": "vendor", "name": "Ubuntu" } ] }, "vulnerabilities": [ { "cve": "CVE-2020-16135", "notes": [ { "category": "description", "text": "Es existiert eine Schwachstelle in libssh. Diese beruht auf einer Null-Zeiger Dereferenzierung in tftpserver.c if ssh_buffer_new. Ein entfernter anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen." } ], "product_status": { "known_affected": [ "T014381", "2951", "T002207", "67646", "T000126", "T034583", "T012167", "729746" ] }, "release_date": "2020-07-29T22:00:00Z", "title": "CVE-2020-16135" } ] }
wid-sec-w-2024-0438
Vulnerability from csaf_certbund
Published
2020-07-29 22:00
Modified
2024-05-07 22:00
Summary
libssh: Schwachstelle ermöglicht Denial of Service
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
libssh ist eine C Bibliothek für das Anbieten von SSH Diensten auf Client- und Serverseite. Sie kann genutzt werden, um aus der Ferne Programme auszuführen, Dateien zu übertragen oder als sicherer und transparenter Tunnel für entfernte Programme genutzt werden.
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in libssh ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux
- UNIX
{ "document": { "aggregate_severity": { "text": "mittel" }, "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "de-DE", "notes": [ { "category": "legal_disclaimer", "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen." }, { "category": "description", "text": "libssh ist eine C Bibliothek f\u00fcr das Anbieten von SSH Diensten auf Client- und Serverseite. Sie kann genutzt werden, um aus der Ferne Programme auszuf\u00fchren, Dateien zu \u00fcbertragen oder als sicherer und transparenter Tunnel f\u00fcr entfernte Programme genutzt werden.", "title": "Produktbeschreibung" }, { "category": "summary", "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in libssh ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.", "title": "Angriff" }, { "category": "general", "text": "- Linux\n- UNIX", "title": "Betroffene Betriebssysteme" } ], "publisher": { "category": "other", "contact_details": "csaf-provider@cert-bund.de", "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik", "namespace": "https://www.bsi.bund.de" }, "references": [ { "category": "self", "summary": "WID-SEC-W-2024-0438 - CSAF Version", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2024-0438.json" }, { "category": "self", "summary": "WID-SEC-2024-0438 - Portal Version", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0438" }, { "category": "external", "summary": "NIST Database vom 2020-07-29", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-16135" }, { "category": "external", "summary": "Libssh bugs", "url": "https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238" }, { "category": "external", "summary": "Debian Security Advisory DLA-2303 vom 2020-08-01", "url": "https://lists.debian.org/debian-lts-announce/2020/debian-lts-announce-202007/msg00034.html" }, { "category": "external", "summary": "Ubuntu Security Notice USN-4447-1 vom 2020-08-04", "url": "https://usn.ubuntu.com/4447-1/" }, { "category": "external", "summary": "Gentoo Linux Security Advisory GLSA-202011-05 vom 2020-11-03", "url": "https://security.gentoo.org/glsa/202011-05" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2021:4387 vom 2021-11-09", "url": "https://access.redhat.com/errata/RHSA-2021:4387" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2021:4750 vom 2021-11-19", "url": "https://access.redhat.com/errata/RHSA-2021:4750" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2021:4848 vom 2021-11-29", "url": "https://access.redhat.com/errata/RHSA-2021:4848" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2021:4845 vom 2021-11-29", "url": "https://access.redhat.com/errata/RHSA-2021:4845" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2022:0318 vom 2022-01-27", "url": "https://access.redhat.com/errata/RHSA-2022:0318" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2022:0434 vom 2022-02-04", "url": "https://access.redhat.com/errata/RHSA-2022:0434" }, { "category": "external", "summary": "SUSE Security Update SUSE-SU-2024:0539-1 vom 2024-02-20", "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017974.html" }, { "category": "external", "summary": "Dell Security Advisory DSA-2024-198 vom 2024-05-08", "url": "https://www.dell.com/support/kbdoc/000224827/dsa-2024-=" } ], "source_lang": "en-US", "title": "libssh: Schwachstelle erm\u00f6glicht Denial of Service", "tracking": { "current_release_date": "2024-05-07T22:00:00.000+00:00", "generator": { "date": "2024-05-08T08:11:03.143+00:00", "engine": { "name": "BSI-WID", "version": "1.3.0" } }, "id": "WID-SEC-W-2024-0438", "initial_release_date": "2020-07-29T22:00:00.000+00:00", "revision_history": [ { "date": "2020-07-29T22:00:00.000+00:00", "number": "1", "summary": "Initiale Fassung" }, { "date": "2020-08-02T22:00:00.000+00:00", "number": "2", "summary": "Neue Updates von Debian aufgenommen" }, { "date": "2020-08-04T22:00:00.000+00:00", "number": "3", "summary": "Neue Updates von Ubuntu aufgenommen" }, { "date": "2020-09-10T22:00:00.000+00:00", "number": "4", "summary": "Referenz(en) aufgenommen: FEDORA-2020-F4F5E49CB8" }, { "date": "2020-09-13T22:00:00.000+00:00", "number": "5", "summary": "Referenz(en) aufgenommen: FEDORA-2020-AC3E29073F" }, { "date": "2020-11-02T23:00:00.000+00:00", "number": "6", "summary": "Neue Updates von Gentoo aufgenommen" }, { "date": "2021-11-09T23:00:00.000+00:00", "number": "7", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2021-11-21T23:00:00.000+00:00", "number": "8", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2021-11-29T23:00:00.000+00:00", "number": "9", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2022-01-27T23:00:00.000+00:00", "number": "10", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2022-02-03T23:00:00.000+00:00", "number": "11", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2024-02-20T23:00:00.000+00:00", "number": "12", "summary": "Neue Updates von SUSE aufgenommen" }, { "date": "2024-05-07T22:00:00.000+00:00", "number": "13", "summary": "Neue Updates von Dell aufgenommen" } ], "status": "final", "version": "13" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_name", "name": "Debian Linux", "product": { "name": "Debian Linux", "product_id": "2951", "product_identification_helper": { "cpe": "cpe:/o:debian:debian_linux:-" } } } ], "category": "vendor", "name": "Debian" }, { "branches": [ { "branches": [ { "category": "product_version", "name": "virtual", "product": { "name": "Dell NetWorker virtual", "product_id": "T034583", "product_identification_helper": { "cpe": "cpe:/a:dell:networker:virtual" } } } ], "category": "product_name", "name": "NetWorker" } ], "category": "vendor", "name": "Dell" }, { "branches": [ { "category": "product_name", "name": "EMC Avamar", "product": { "name": "EMC Avamar", "product_id": "T014381", "product_identification_helper": { "cpe": "cpe:/a:emc:avamar:-" } } } ], "category": "vendor", "name": "EMC" }, { "branches": [ { "category": "product_name", "name": "Gentoo Linux", "product": { "name": "Gentoo Linux", "product_id": "T012167", "product_identification_helper": { "cpe": "cpe:/o:gentoo:linux:-" } } } ], "category": "vendor", "name": "Gentoo" }, { "branches": [ { "branches": [ { "category": "product_version", "name": "0.9.4", "product": { "name": "Open Source libssh 0.9.4", "product_id": "729746", "product_identification_helper": { "cpe": "cpe:/a:libssh:libssh:0.9.4" } } } ], "category": "product_name", "name": "libssh" } ], "category": "vendor", "name": "Open Source" }, { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux", "product": { "name": "Red Hat Enterprise Linux", "product_id": "67646", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:-" } } } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "category": "product_name", "name": "SUSE Linux", "product": { "name": "SUSE Linux", "product_id": "T002207", "product_identification_helper": { "cpe": "cpe:/o:suse:suse_linux:-" } } } ], "category": "vendor", "name": "SUSE" }, { "branches": [ { "category": "product_name", "name": "Ubuntu Linux", "product": { "name": "Ubuntu Linux", "product_id": "T000126", "product_identification_helper": { "cpe": "cpe:/o:canonical:ubuntu_linux:-" } } } ], "category": "vendor", "name": "Ubuntu" } ] }, "vulnerabilities": [ { "cve": "CVE-2020-16135", "notes": [ { "category": "description", "text": "Es existiert eine Schwachstelle in libssh. Diese beruht auf einer Null-Zeiger Dereferenzierung in tftpserver.c if ssh_buffer_new. Ein entfernter anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen." } ], "product_status": { "known_affected": [ "T014381", "2951", "T002207", "67646", "T000126", "T034583", "T012167", "729746" ] }, "release_date": "2020-07-29T22:00:00Z", "title": "CVE-2020-16135" } ] }
rhsa-2021_4750
Vulnerability from csaf_redhat
Published
2021-11-19 19:24
Modified
2024-11-22 17:29
Summary
Red Hat Security Advisory: Red Hat Virtualization Host security and bug fix update [ovirt-4.4.9] 0-day
Notes
Topic
An update for redhat-release-virtualization-host and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.
Security Fix(es):
* kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c (CVE-2021-0512)
* Ansible: ansible-connection module discloses sensitive info in traceback error message (CVE-2021-3620)
* kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type (CVE-2021-43267)
* libssh: NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL (CVE-2020-16135)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* Red Hat Virtualization Host now includes packages from Red Hat Enterprise Linux 8.5. (BZ#1958101)
* Red Hat Virtualization Host now includes packages from RHGS-3.5.z on RHEL-8 Batch #5. (BZ#1975175)
* Red Hat Virtualization Host now includes the packages needed for using Managed Block Devices via cinderlib. (BZ#1983021)
* Red Hat Virtualization Host now includes openvswitch related packages from Fast Data Path 21.G release. (BZ#1998104)
* Previously it was not possible to upgrade RHVH to version 4.4.8 when custom VDSM hooks were installed on RHVH. This was caused by the VDSM hooks dependency on the concrete version of VDSM. The current release allows users to maintain the VDSM dependency manually. In other words, if you want to upgrade from VDSM X.Y.Z to version A.B.C, you must upgrade all VDSM hooks to the same A.B.C version. (BZ#2004469)
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for redhat-release-virtualization-host and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host\u0027s resources and performing administrative tasks.\n\nSecurity Fix(es):\n\n* kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c (CVE-2021-0512)\n\n* Ansible: ansible-connection module discloses sensitive info in traceback error message (CVE-2021-3620)\n\n* kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type (CVE-2021-43267)\n\n* libssh: NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL (CVE-2020-16135)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* Red Hat Virtualization Host now includes packages from Red Hat Enterprise Linux 8.5. (BZ#1958101)\n\n* Red Hat Virtualization Host now includes packages from RHGS-3.5.z on RHEL-8 Batch #5. (BZ#1975175)\n\n* Red Hat Virtualization Host now includes the packages needed for using Managed Block Devices via cinderlib. (BZ#1983021)\n\n* Red Hat Virtualization Host now includes openvswitch related packages from Fast Data Path 21.G release. (BZ#1998104)\n\n* Previously it was not possible to upgrade RHVH to version 4.4.8 when custom VDSM hooks were installed on RHVH. This was caused by the VDSM hooks dependency on the concrete version of VDSM. The current release allows users to maintain the VDSM dependency manually. In other words, if you want to upgrade from VDSM X.Y.Z to version A.B.C, you must upgrade all VDSM hooks to the same A.B.C version. (BZ#2004469)", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2021:4750", "url": "https://access.redhat.com/errata/RHSA-2021:4750" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1862456", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1862456" }, { "category": "external", "summary": "1953685", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1953685" }, { "category": "external", "summary": "1958101", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1958101" }, { "category": "external", "summary": "1974491", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1974491" }, { "category": "external", "summary": "1975175", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1975175" }, { "category": "external", "summary": "1975767", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1975767" }, { "category": "external", "summary": "1983021", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1983021" }, { "category": "external", "summary": "1998104", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1998104" }, { "category": "external", "summary": "2004469", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2004469" }, { "category": "external", "summary": "2020362", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2020362" }, { "category": "external", "summary": "2024360", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024360" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_4750.json" } ], "title": "Red Hat Security Advisory: Red Hat Virtualization Host security and bug fix update [ovirt-4.4.9] 0-day", "tracking": { "current_release_date": "2024-11-22T17:29:10+00:00", "generator": { "date": "2024-11-22T17:29:10+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2021:4750", "initial_release_date": "2021-11-19T19:24:53+00:00", "revision_history": [ { "date": "2021-11-19T19:24:53+00:00", "number": "1", "summary": "Initial version" }, { "date": "2021-11-19T19:24:53+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T17:29:10+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product": { "name": "RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product_id": "8Base-RHV-HypervisorBuild-4", "product_identification_helper": { "cpe": "cpe:/o:redhat:rhev_hypervisor:4.4::el8" } } }, { "category": "product_name", "name": "Red Hat Virtualization 4 Hypervisor for RHEL 8", "product": { "name": "Red Hat Virtualization 4 Hypervisor for RHEL 8", "product_id": "8Base-RHV-Hypervisor-4", "product_identification_helper": { "cpe": "cpe:/o:redhat:rhev_hypervisor:4.4::el8" } } } ], "category": "product_family", "name": "Red Hat Virtualization" }, { "branches": [ { "category": "product_version", "name": "redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "product": { "name": "redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "product_id": "redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/redhat-release-virtualization-host@4.4.9-2.el8ev?arch=src" } } }, { "category": "product_version", "name": "redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "product": { "name": "redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "product_id": "redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/redhat-virtualization-host@4.4.9-202111172338_8.5?arch=src" } } } ], "category": "architecture", "name": "src" }, { "branches": [ { "category": "product_version", "name": "redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "product": { "name": "redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "product_id": "redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/redhat-release-virtualization-host@4.4.9-2.el8ev?arch=x86_64" } } }, { "category": "product_version", "name": "redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "product": { "name": "redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "product_id": "redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/redhat-release-virtualization-host-content@4.4.9-2.el8ev?arch=x86_64" } } }, { "category": "product_version", "name": "redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64", "product": { "name": "redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64", "product_id": "redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/redhat-virtualization-host-image-update@4.4.9-202111172338_8.5?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" }, { "branches": [ { "category": "product_version", "name": "redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch", "product": { "name": "redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch", "product_id": "redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch", "product_identification_helper": { "purl": "pkg:rpm/redhat/redhat-virtualization-host-image-update-placeholder@4.4.9-2.el8ev?arch=noarch" } } } ], "category": "architecture", "name": "noarch" } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "redhat-virtualization-host-0:4.4.9-202111172338_8.5.src as a component of Red Hat Virtualization 4 Hypervisor for RHEL 8", "product_id": "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src" }, "product_reference": "redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "relates_to_product_reference": "8Base-RHV-Hypervisor-4" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64 as a component of Red Hat Virtualization 4 Hypervisor for RHEL 8", "product_id": "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64" }, "product_reference": "redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64", "relates_to_product_reference": "8Base-RHV-Hypervisor-4" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-release-virtualization-host-0:4.4.9-2.el8ev.src as a component of RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product_id": "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.src" }, "product_reference": "redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "relates_to_product_reference": "8Base-RHV-HypervisorBuild-4" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64 as a component of RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product_id": "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64" }, "product_reference": "redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "relates_to_product_reference": "8Base-RHV-HypervisorBuild-4" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64 as a component of RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product_id": "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64" }, "product_reference": "redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "relates_to_product_reference": "8Base-RHV-HypervisorBuild-4" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch as a component of RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product_id": "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch" }, "product_reference": "redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch", "relates_to_product_reference": "8Base-RHV-HypervisorBuild-4" } ] }, "vulnerabilities": [ { "cve": "CVE-2020-16135", "cwe": { "id": "CWE-476", "name": "NULL Pointer Dereference" }, "discovery_date": "2020-07-30T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1862456" } ], "notes": [ { "category": "description", "text": "A flaw was found in libssh. A NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.", "title": "Vulnerability description" }, { "category": "summary", "text": "libssh: NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL", "title": "Vulnerability summary" }, { "category": "other", "text": "libssh2 as shipped with Red Hat Enterprise Linux 6, 7, and 8 are NOT affected by this flaw; libssh2 and libssh are different codebases and libssh2 does not contain the vulnerable code. Red Hat Product Security has set the impact of this flaw to Low because there is no demonstrated way for an attacker to reliably force a NULL pointer dereference via a code path in the affected libssh code.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64" ], "known_not_affected": [ "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2020-16135" }, { "category": "external", "summary": "RHBZ#1862456", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1862456" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-16135", "url": "https://www.cve.org/CVERecord?id=CVE-2020-16135" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-16135", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-16135" }, { "category": "external", "summary": "https://bugs.gentoo.org/734624", "url": "https://bugs.gentoo.org/734624" } ], "release_date": "2020-07-30T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-11-19T19:24:53+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/2974891", "product_ids": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:4750" }, { "category": "workaround", "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.", "product_ids": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Low" } ], "title": "libssh: NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL" }, { "cve": "CVE-2021-0512", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "discovery_date": "2021-06-21T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1974491" } ], "notes": [ { "category": "description", "text": "A flaw out of bounds memory write in the Linux kernel HID subsystem was found in the way user attach USB or other HID device that generates incorrect data inside HID report field. A local user could use this flaw to crash the system or possibly escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c", "title": "Vulnerability summary" }, { "category": "other", "text": "For Red Hat Enterprise Linux 7 only out of bounds memory read possible instead of write and no code that depends on this memory read, so considering the impact Moderate instead of Important. Both this has very low chances of being exploited in the wild: attacker either need to physically plug a malicious device in a USB port or attacker would have to use uhid or any other virtual USB implementation, meaning that likely already have root access be able to trigger that.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64" ], "known_not_affected": [ "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2021-0512" }, { "category": "external", "summary": "RHBZ#1974491", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1974491" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2021-0512", "url": "https://www.cve.org/CVERecord?id=CVE-2021-0512" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-0512", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-0512" }, { "category": "external", "summary": "https://lore.kernel.org/lkml/20210301161013.666159680@linuxfoundation.org/", "url": "https://lore.kernel.org/lkml/20210301161013.666159680@linuxfoundation.org/" } ], "release_date": "2021-06-07T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-11-19T19:24:53+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/2974891", "product_ids": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:4750" }, { "category": "workaround", "details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.", "product_ids": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c" }, { "acknowledgments": [ { "names": [ "Dalton Rardin" ] } ], "cve": "CVE-2021-3620", "cwe": { "id": "CWE-209", "name": "Generation of Error Message Containing Sensitive Information" }, "discovery_date": "2021-06-09T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1975767" } ], "notes": [ { "category": "description", "text": "A flaw was found in Ansible Engine\u0027s ansible-connection module, where sensitive information such as the Ansible user credentials is disclosed by default in the traceback error message. The highest threat from this vulnerability is to confidentiality.", "title": "Vulnerability description" }, { "category": "summary", "text": "Ansible: ansible-connection module discloses sensitive info in traceback error message", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Gluster Storage 3 no longer maintains its own version of Ansible. The prerequisite is to enable the Ansible repository in order to consume the latest version of Ansible, which has many bug and security fixes.\n\nRed Hat Ceph Storage 2 only provides fixes for bugs on an as-requested basis by a customer, and will not be fixed after discussion with engineering about the viability of a fix. Red Hat Ceph Storage 3 does not directly ship ansible, and thus is closed as won\u0027t fix.\n\nRed Hat Virtualization ships an affected version of ansible, however, the usage of ansible on the redhat-virtualization-host is only supported for self-hosted-engine installation and disaster recovery, where it is run locally. As such Impact is rated Moderate.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64" ], "known_not_affected": [ "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2021-3620" }, { "category": "external", "summary": "RHBZ#1975767", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1975767" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2021-3620", "url": "https://www.cve.org/CVERecord?id=CVE-2021-3620" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-3620", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3620" } ], "release_date": "2021-06-25T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-11-19T19:24:53+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/2974891", "product_ids": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:4750" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "products": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "Ansible: ansible-connection module discloses sensitive info in traceback error message" }, { "cve": "CVE-2021-43267", "cwe": { "id": "CWE-20", "name": "Improper Input Validation" }, "discovery_date": "2021-11-02T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2020362" } ], "notes": [ { "category": "description", "text": "A flaw was discovered in the cryptographic receive code in the Linux kernel\u0027s implementation of transparent interprocess communication. An attacker, with the ability to send TIPC messages to the target, can corrupt memory and escalate privileges on the target system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects Red Hat Enterprise Linux 8 starting with the kernel that shipped with Red Hat Enterprise Linux 8.4 GA (kernel-4.18.0-305.el8). Previous Red Hat Enterprise Linux 8 kernel versions were not affected as they did not include the vulnerable functionality.\n\nRed Hat recommends to use transport level to separate and/or secure (by both encrypting and authenticating via eg. IPSec/MACSec) the communication between nodes. This limits the exposure of this issue to semi-trusted nodes.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64" ], "known_not_affected": [ "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2021-43267" }, { "category": "external", "summary": "RHBZ#2020362", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2020362" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2021-43267", "url": "https://www.cve.org/CVERecord?id=CVE-2021-43267" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-43267", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43267" } ], "release_date": "2021-11-02T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-11-19T19:24:53+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/2974891", "product_ids": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:4750" }, { "category": "workaround", "details": "The TIPC module will NOT be automatically loaded. When required, administrative action is needed to explicitly load this module.\n\nLoading the module can be prevented with the following instructions:\n# echo \"install tipc /bin/true\" \u003e\u003e /etc/modprobe.d/disable-tipc.conf\nThe system will need to be restarted if the tipc module is loaded. In most circumstances, the TIPC kernel module will be unable to be unloaded while any network interfaces are active and the protocol is in use.\n\nIf the system requires this module to work correctly, this mitigation may not be suitable.\nIf you need further assistance, see KCS article https://access.redhat.com/solutions/41278 or contact Red Hat Global Support Services.\n\nTo mitigate the issue on systems that do need to use TIPC and do *not* deploy the TIPC protocol level encryption but rather use different ways to ensure secure communication between nodes (eg. physical network separation, IPSec/MACsec):\n\n- BEWARE THAT THIS WILL DISABLE THE TIPC PROTOCOL LEVEL ENCRYPTION - \n\n1) On the host, save the following in a file with the \".stp\" extension:\n\n%{\n\n#include \u003clinux/skbuff.h\u003e\n\n\n#define MSG_CRYPTO 14\n#define SOCK_WAKEUP 14 /* pseudo user */\n#define TOP_SRV 15 /* pseudo user */\n\n\nstruct tipc_msg {\n __be32 hdr[15];\n};\n\nstatic inline struct tipc_msg *buf_msg(struct sk_buff *skb)\n{\n return (struct tipc_msg *)skb-\u003edata;\n}\n\nstatic inline u32 msg_word(struct tipc_msg *m, u32 pos)\n{\n return ntohl(m-\u003ehdr[pos]);\n}\n\nstatic inline void msg_set_word(struct tipc_msg *m, u32 w, u32 val)\n{\n m-\u003ehdr[w] = htonl(val);\n}\n\nstatic inline u32 msg_bits(struct tipc_msg *m, u32 w, u32 pos, u32 mask)\n{\n return (msg_word(m, w) \u003e\u003e pos) \u0026 mask;\n}\n\nstatic inline void msg_set_bits(struct tipc_msg *m, u32 w,\n u32 pos, u32 mask, u32 val)\n{\n val = (val \u0026 mask) \u003c\u003c pos;\n mask = mask \u003c\u003c pos;\n m-\u003ehdr[w] \u0026= ~htonl(mask);\n m-\u003ehdr[w] |= htonl(val);\n}\n\nstatic inline u32 msg_user(struct tipc_msg *m)\n{\n return msg_bits(m, 0, 25, 0xf);\n}\n\nstatic inline void msg_set_user(struct tipc_msg *m, u32 n)\n{\n msg_set_bits(m, 0, 25, 0xf, n);\n}\n\n%}\n\nfunction sanitize:long (skb:long) %{\n struct sk_buff *skb;\n struct tipc_msg *hdr;\n\n#if STAP_COMPAT_VERSION \u003e= STAP_VERSION(1,8)\n skb = (struct sk_buff *) (unsigned long) STAP_ARG_skb;\n#else\n skb = (struct sk_buff *) (unsigned long) THIS-\u003eskb;\n#endif\n\n hdr = buf_msg(skb);\n\n if(msg_user(hdr) == MSG_CRYPTO) {\n msg_set_user(hdr, TOP_SRV); // set to invalid in this context\n }\n\n%}\n\nprobe module(\"tipc\").function(\"tipc_data_input\").call {\n sanitize($skb);\n}\n\n\n2) Install the \"systemtap\" package and any required dependencies (such as\n kernel-devel and kernel-debuginfo packages).\n\n3) Run the \"stap -g [filename-from-step-1].stp\" command as root.\n\nIf the host is rebooted, the changes will be lost and the script must be\nrun again.\n\n\nAlternatively, build the systemtap script on a development system with\n\"stap -g -p 4 [filename-from-step-1].stp\", distribute the resulting kernel\nmodule to all affected systems, and run \"staprun -L \u003cmodule\u003e\" on those.\nWhen using this approach only systemtap-runtime package is required on the\naffected systems. Please notice that the kernel version must be the same across\nall systems.", "product_ids": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.4.9-2.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.4.9-2.el8ev.noarch" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.4.9-202111172338_8.5.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.4.9-202111172338_8.5.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type" } ] }
rhsa-2021_4387
Vulnerability from csaf_redhat
Published
2021-11-09 18:17
Modified
2024-11-22 16:55
Summary
Red Hat Security Advisory: libssh security update
Notes
Topic
An update for libssh is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.
Security Fix(es):
* libssh: NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL (CVE-2020-16135)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Low" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for libssh is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.\n\nSecurity Fix(es):\n\n* libssh: NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL (CVE-2020-16135)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2021:4387", "url": "https://access.redhat.com/errata/RHSA-2021:4387" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#low", "url": "https://access.redhat.com/security/updates/classification/#low" }, { "category": "external", "summary": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/", "url": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/" }, { "category": "external", "summary": "1862456", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1862456" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_4387.json" } ], "title": "Red Hat Security Advisory: libssh security update", "tracking": { "current_release_date": "2024-11-22T16:55:16+00:00", "generator": { "date": "2024-11-22T16:55:16+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2021:4387", "initial_release_date": "2021-11-09T18:17:51+00:00", "revision_history": [ { "date": "2021-11-09T18:17:51+00:00", "number": "1", "summary": "Initial version" }, { "date": "2021-11-09T18:17:51+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T16:55:16+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux AppStream (v. 8)", "product": { "name": "Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.5.0.GA", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux:8::appstream" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux BaseOS (v. 8)", "product": { "name": "Red Hat Enterprise Linux BaseOS (v. 8)", "product_id": "BaseOS-8.5.0.GA", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:8::baseos" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux" }, { "branches": [ { "category": "product_version", "name": "libssh-devel-0:0.9.4-3.el8.aarch64", "product": { "name": "libssh-devel-0:0.9.4-3.el8.aarch64", "product_id": "libssh-devel-0:0.9.4-3.el8.aarch64", "product_identification_helper": { "purl": "pkg:rpm/redhat/libssh-devel@0.9.4-3.el8?arch=aarch64" } } }, { "category": "product_version", "name": "libssh-debugsource-0:0.9.4-3.el8.aarch64", "product": { "name": "libssh-debugsource-0:0.9.4-3.el8.aarch64", "product_id": "libssh-debugsource-0:0.9.4-3.el8.aarch64", "product_identification_helper": { "purl": "pkg:rpm/redhat/libssh-debugsource@0.9.4-3.el8?arch=aarch64" } } }, { "category": "product_version", "name": "libssh-debuginfo-0:0.9.4-3.el8.aarch64", "product": { "name": "libssh-debuginfo-0:0.9.4-3.el8.aarch64", "product_id": "libssh-debuginfo-0:0.9.4-3.el8.aarch64", "product_identification_helper": { "purl": "pkg:rpm/redhat/libssh-debuginfo@0.9.4-3.el8?arch=aarch64" } } }, { "category": "product_version", "name": "libssh-0:0.9.4-3.el8.aarch64", "product": { "name": "libssh-0:0.9.4-3.el8.aarch64", "product_id": "libssh-0:0.9.4-3.el8.aarch64", "product_identification_helper": { "purl": "pkg:rpm/redhat/libssh@0.9.4-3.el8?arch=aarch64" } } } ], "category": "architecture", "name": "aarch64" }, { "branches": [ { "category": "product_version", "name": "libssh-devel-0:0.9.4-3.el8.ppc64le", "product": { "name": "libssh-devel-0:0.9.4-3.el8.ppc64le", "product_id": "libssh-devel-0:0.9.4-3.el8.ppc64le", "product_identification_helper": { "purl": "pkg:rpm/redhat/libssh-devel@0.9.4-3.el8?arch=ppc64le" } } }, { "category": "product_version", "name": "libssh-debugsource-0:0.9.4-3.el8.ppc64le", "product": { "name": "libssh-debugsource-0:0.9.4-3.el8.ppc64le", "product_id": "libssh-debugsource-0:0.9.4-3.el8.ppc64le", "product_identification_helper": { "purl": "pkg:rpm/redhat/libssh-debugsource@0.9.4-3.el8?arch=ppc64le" } } }, { "category": "product_version", "name": "libssh-debuginfo-0:0.9.4-3.el8.ppc64le", "product": { "name": "libssh-debuginfo-0:0.9.4-3.el8.ppc64le", "product_id": "libssh-debuginfo-0:0.9.4-3.el8.ppc64le", "product_identification_helper": { "purl": "pkg:rpm/redhat/libssh-debuginfo@0.9.4-3.el8?arch=ppc64le" } } }, { "category": "product_version", "name": 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"BaseOS-8.5.0.GA" }, { "category": "default_component_of", "full_product_name": { "name": "libssh-devel-0:0.9.4-3.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)", "product_id": "BaseOS-8.5.0.GA:libssh-devel-0:0.9.4-3.el8.x86_64" }, "product_reference": "libssh-devel-0:0.9.4-3.el8.x86_64", "relates_to_product_reference": "BaseOS-8.5.0.GA" } ] }, "vulnerabilities": [ { "cve": "CVE-2020-16135", "cwe": { "id": "CWE-476", "name": "NULL Pointer Dereference" }, "discovery_date": "2020-07-30T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1862456" } ], "notes": [ { "category": "description", "text": "A flaw was found in libssh. A NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.", "title": "Vulnerability description" }, { "category": "summary", "text": "libssh: NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL", "title": "Vulnerability summary" }, { "category": "other", "text": "libssh2 as shipped with Red Hat Enterprise Linux 6, 7, and 8 are NOT affected by this flaw; libssh2 and libssh are different codebases and libssh2 does not contain the vulnerable code. Red Hat Product Security has set the impact of this flaw to Low because there is no demonstrated way for an attacker to reliably force a NULL pointer dereference via a code path in the affected libssh code.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.5.0.GA:libssh-0:0.9.4-3.el8.aarch64", "AppStream-8.5.0.GA:libssh-0:0.9.4-3.el8.i686", "AppStream-8.5.0.GA:libssh-0:0.9.4-3.el8.ppc64le", "AppStream-8.5.0.GA:libssh-0:0.9.4-3.el8.s390x", "AppStream-8.5.0.GA:libssh-0:0.9.4-3.el8.src", "AppStream-8.5.0.GA:libssh-0:0.9.4-3.el8.x86_64", "AppStream-8.5.0.GA:libssh-config-0:0.9.4-3.el8.noarch", "AppStream-8.5.0.GA:libssh-debuginfo-0:0.9.4-3.el8.aarch64", 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to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing these updated packages, all running applications using libssh must be restarted for this update to take effect.", "product_ids": [ "AppStream-8.5.0.GA:libssh-0:0.9.4-3.el8.aarch64", "AppStream-8.5.0.GA:libssh-0:0.9.4-3.el8.i686", "AppStream-8.5.0.GA:libssh-0:0.9.4-3.el8.ppc64le", "AppStream-8.5.0.GA:libssh-0:0.9.4-3.el8.s390x", "AppStream-8.5.0.GA:libssh-0:0.9.4-3.el8.src", "AppStream-8.5.0.GA:libssh-0:0.9.4-3.el8.x86_64", "AppStream-8.5.0.GA:libssh-config-0:0.9.4-3.el8.noarch", "AppStream-8.5.0.GA:libssh-debuginfo-0:0.9.4-3.el8.aarch64", "AppStream-8.5.0.GA:libssh-debuginfo-0:0.9.4-3.el8.i686", "AppStream-8.5.0.GA:libssh-debuginfo-0:0.9.4-3.el8.ppc64le", "AppStream-8.5.0.GA:libssh-debuginfo-0:0.9.4-3.el8.s390x", "AppStream-8.5.0.GA:libssh-debuginfo-0:0.9.4-3.el8.x86_64", "AppStream-8.5.0.GA:libssh-debugsource-0:0.9.4-3.el8.aarch64", "AppStream-8.5.0.GA:libssh-debugsource-0:0.9.4-3.el8.i686", 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"AppStream-8.5.0.GA:libssh-devel-0:0.9.4-3.el8.aarch64", "AppStream-8.5.0.GA:libssh-devel-0:0.9.4-3.el8.i686", "AppStream-8.5.0.GA:libssh-devel-0:0.9.4-3.el8.ppc64le", "AppStream-8.5.0.GA:libssh-devel-0:0.9.4-3.el8.s390x", "AppStream-8.5.0.GA:libssh-devel-0:0.9.4-3.el8.x86_64", "BaseOS-8.5.0.GA:libssh-0:0.9.4-3.el8.aarch64", "BaseOS-8.5.0.GA:libssh-0:0.9.4-3.el8.i686", "BaseOS-8.5.0.GA:libssh-0:0.9.4-3.el8.ppc64le", "BaseOS-8.5.0.GA:libssh-0:0.9.4-3.el8.s390x", "BaseOS-8.5.0.GA:libssh-0:0.9.4-3.el8.src", "BaseOS-8.5.0.GA:libssh-0:0.9.4-3.el8.x86_64", "BaseOS-8.5.0.GA:libssh-config-0:0.9.4-3.el8.noarch", "BaseOS-8.5.0.GA:libssh-debuginfo-0:0.9.4-3.el8.aarch64", "BaseOS-8.5.0.GA:libssh-debuginfo-0:0.9.4-3.el8.i686", "BaseOS-8.5.0.GA:libssh-debuginfo-0:0.9.4-3.el8.ppc64le", "BaseOS-8.5.0.GA:libssh-debuginfo-0:0.9.4-3.el8.s390x", "BaseOS-8.5.0.GA:libssh-debuginfo-0:0.9.4-3.el8.x86_64", "BaseOS-8.5.0.GA:libssh-debugsource-0:0.9.4-3.el8.aarch64", "BaseOS-8.5.0.GA:libssh-debugsource-0:0.9.4-3.el8.i686", "BaseOS-8.5.0.GA:libssh-debugsource-0:0.9.4-3.el8.ppc64le", "BaseOS-8.5.0.GA:libssh-debugsource-0:0.9.4-3.el8.s390x", "BaseOS-8.5.0.GA:libssh-debugsource-0:0.9.4-3.el8.x86_64", "BaseOS-8.5.0.GA:libssh-devel-0:0.9.4-3.el8.aarch64", "BaseOS-8.5.0.GA:libssh-devel-0:0.9.4-3.el8.i686", "BaseOS-8.5.0.GA:libssh-devel-0:0.9.4-3.el8.ppc64le", "BaseOS-8.5.0.GA:libssh-devel-0:0.9.4-3.el8.s390x", "BaseOS-8.5.0.GA:libssh-devel-0:0.9.4-3.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Low" } ], "title": "libssh: NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL" } ] }
ghsa-9j7p-fvvp-cp57
Vulnerability from github
Published
2022-05-24 17:24
Modified
2022-05-24 17:24
Severity ?
Details
libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.
{ "affected": [], "aliases": [ "CVE-2020-16135" ], "database_specific": { "cwe_ids": [ "CWE-476" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2020-07-29T21:15:00Z", "severity": "HIGH" }, "details": "libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.", "id": "GHSA-9j7p-fvvp-cp57", "modified": "2022-05-24T17:24:39Z", "published": "2022-05-24T17:24:39Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-16135" }, { "type": "WEB", "url": "https://bugs.libssh.org/T232" }, { "type": "WEB", "url": "https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238" }, { "type": "WEB", "url": "https://gitlab.com/libssh/libssh-mirror/-/merge_requests/120" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00034.html" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FCIKQRKXAAB4HMWM62EPZJ4DVBHIIEG6" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JNW5GBC6JFN76VEWQXMLT5F7VCZ5AJ2E" }, { "type": "WEB", "url": "https://security.gentoo.org/glsa/202011-05" }, { "type": "WEB", "url": "https://usn.ubuntu.com/4447-1" }, { "type": "WEB", "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" } ] }
gsd-2020-16135
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2020-16135", "description": "libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.", "id": "GSD-2020-16135", "references": [ "https://www.suse.com/security/cve/CVE-2020-16135.html", "https://access.redhat.com/errata/RHSA-2021:4750", "https://access.redhat.com/errata/RHSA-2021:4387", "https://ubuntu.com/security/CVE-2020-16135", "https://advisories.mageia.org/CVE-2020-16135.html", "https://linux.oracle.com/cve/CVE-2020-16135.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2020-16135" ], "details": "libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.", "id": "GSD-2020-16135", "modified": "2023-12-13T01:21:46.180463Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-16135", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://bugs.libssh.org/T232", "refsource": "MISC", "url": "https://bugs.libssh.org/T232" }, { "name": "https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238", "refsource": "MISC", "url": "https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238" }, { "name": "https://gitlab.com/libssh/libssh-mirror/-/merge_requests/120", "refsource": "MISC", "url": "https://gitlab.com/libssh/libssh-mirror/-/merge_requests/120" }, { "name": "[debian-lts-announce] 20200731 [SECURITY] [DLA 2303-1] libssh security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00034.html" }, { "name": "USN-4447-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4447-1/" }, { "name": "FEDORA-2020-f4f5e49cb8", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JNW5GBC6JFN76VEWQXMLT5F7VCZ5AJ2E/" }, { "name": "FEDORA-2020-ac3e29073f", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FCIKQRKXAAB4HMWM62EPZJ4DVBHIIEG6/" }, { "name": "GLSA-202011-05", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202011-05" }, { "name": "https://www.oracle.com/security-alerts/cpuapr2022.html", "refsource": "MISC", "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:libssh:libssh:0.9.4:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.15.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-16135" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-476" } ] } ] }, "references": { "reference_data": [ { "name": "https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238", "refsource": "MISC", "tags": [ "Exploit", "Issue Tracking", "Vendor Advisory" ], "url": "https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238" }, { "name": "https://bugs.libssh.org/T232", "refsource": "MISC", "tags": [ "Issue Tracking", "Vendor Advisory" ], "url": "https://bugs.libssh.org/T232" }, { "name": "https://gitlab.com/libssh/libssh-mirror/-/merge_requests/120", "refsource": "MISC", "tags": [ "Third Party Advisory" ], "url": "https://gitlab.com/libssh/libssh-mirror/-/merge_requests/120" }, { "name": "[debian-lts-announce] 20200731 [SECURITY] [DLA 2303-1] libssh security update", "refsource": "MLIST", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00034.html" }, { "name": "USN-4447-1", "refsource": "UBUNTU", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/4447-1/" }, { "name": "FEDORA-2020-f4f5e49cb8", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JNW5GBC6JFN76VEWQXMLT5F7VCZ5AJ2E/" }, { "name": "FEDORA-2020-ac3e29073f", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FCIKQRKXAAB4HMWM62EPZJ4DVBHIIEG6/" }, { "name": "GLSA-202011-05", "refsource": "GENTOO", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202011-05" }, { "name": "https://www.oracle.com/security-alerts/cpuapr2022.html", "refsource": "MISC", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 2.2, "impactScore": 3.6 } }, "lastModifiedDate": "2022-05-12T15:01Z", "publishedDate": "2020-07-29T21:15Z" } } }
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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.