rhsa-2022_8400
Vulnerability from csaf_redhat
Published
2022-11-15 09:57
Modified
2024-11-06 02:01
Summary
Red Hat Security Advisory: libtirpc security update
Notes
Topic
An update for libtirpc is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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 libtirpc packages contain SunLib's implementation of transport-independent remote procedure call (TI-RPC) documentation, which includes a library required by programs in the nfs-utils and rpcbind packages.
Security Fix(es):
* libtirpc: DoS vulnerability with lots of connections (CVE-2021-46828)
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 9.1 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": "Moderate" }, "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 libtirpc is now available for Red Hat Enterprise Linux 9.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. 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 libtirpc packages contain SunLib\u0027s implementation of transport-independent remote procedure call (TI-RPC) documentation, which includes a library required by programs in the nfs-utils and rpcbind packages.\n\nSecurity Fix(es):\n\n* libtirpc: DoS vulnerability with lots of connections (CVE-2021-46828)\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 9.1 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-2022:8400", "url": "https://access.redhat.com/errata/RHSA-2022:8400" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.1_release_notes/index", "url": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.1_release_notes/index" }, { "category": "external", "summary": "2109352", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2109352" }, { "category": "external", "summary": "2118157", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2118157" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2022/rhsa-2022_8400.json" } ], "title": "Red Hat Security Advisory: libtirpc security update", "tracking": { "current_release_date": "2024-11-06T02:01:35+00:00", "generator": { "date": "2024-11-06T02:01:35+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2022:8400", "initial_release_date": "2022-11-15T09:57:57+00:00", "revision_history": [ { "date": "2022-11-15T09:57:57+00:00", "number": "1", "summary": "Initial version" }, { "date": "2022-11-15T09:57:57+00:00", "number": "2", "summary": "Last updated version" 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This flaw allows a remote attacker to exhaust the file descriptors of a process that uses libtirpc due to mishandling idle TCP connections. This issue leads to a svc_run infinite loop without accepting new connections.", "title": "Vulnerability description" }, { "category": "summary", "text": "libtirpc: DoS vulnerability with lots of connections", "title": "Vulnerability summary" }, { "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": [ "BaseOS-9.1.0.GA:libtirpc-0:1.3.3-0.el9.aarch64", "BaseOS-9.1.0.GA:libtirpc-0:1.3.3-0.el9.i686", "BaseOS-9.1.0.GA:libtirpc-0:1.3.3-0.el9.ppc64le", "BaseOS-9.1.0.GA:libtirpc-0:1.3.3-0.el9.s390x", "BaseOS-9.1.0.GA:libtirpc-0:1.3.3-0.el9.src", "BaseOS-9.1.0.GA:libtirpc-0:1.3.3-0.el9.x86_64", "BaseOS-9.1.0.GA:libtirpc-debuginfo-0:1.3.3-0.el9.aarch64", "BaseOS-9.1.0.GA:libtirpc-debuginfo-0:1.3.3-0.el9.i686", 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"https://access.redhat.com/security/cve/CVE-2021-46828" }, { "category": "external", "summary": "RHBZ#2109352", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2109352" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2021-46828", "url": "https://www.cve.org/CVERecord?id=CVE-2021-46828" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-46828", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-46828" } ], "release_date": "2022-07-20T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2022-11-15T09:57:57+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/11258", "product_ids": [ "BaseOS-9.1.0.GA:libtirpc-0:1.3.3-0.el9.aarch64", "BaseOS-9.1.0.GA:libtirpc-0:1.3.3-0.el9.i686", "BaseOS-9.1.0.GA:libtirpc-0:1.3.3-0.el9.ppc64le", "BaseOS-9.1.0.GA:libtirpc-0:1.3.3-0.el9.s390x", 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"libtirpc: DoS vulnerability with lots of connections" } ] }
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- 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.