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CVE-2019-18934
Vulnerability from cvelistv5
Published
2019-11-19 17:30
Modified
2024-08-05 02:02
Severity ?
EPSS score ?
Summary
Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with `--enable-ipsecmod` support, and ipsecmod is enabled and used in the configuration.
References
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CVE-2019-18934
Vulnerability from fkie_nvd
Published
2019-11-19 18:15
Modified
2024-11-21 04:33
Severity ?
Summary
Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with `--enable-ipsecmod` support, and ipsecmod is enabled and used in the configuration.
References
Impacted products
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Este problema solo puede ser activado si unbound fue compilado con el soporte \"--enable-ipsecmod\", e ipsecmod est\u00e1 habilitado y usado en la configuraci\u00f3n." } ], "id": "CVE-2019-18934", "lastModified": "2024-11-21T04:33:52.093", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 3.4, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2019-11-19T18:15:10.523", "references": [ { "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html" }, { "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ], "url": "http://www.openwall.com/lists/oss-security/2019/11/19/1" }, { "source": "cve@mitre.org", "tags": [ "Release Notes" ], "url": "https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelog" }, { "source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK/" }, { "source": "cve@mitre.org", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt" }, { "source": "cve@mitre.org", "tags": [ "Release Notes", "Vendor Advisory" ], "url": "https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ], "url": "http://www.openwall.com/lists/oss-security/2019/11/19/1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes" ], "url": "https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelog" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes", "Vendor Advisory" ], "url": "https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/" } ], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-78" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
gsd-2019-18934
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with `--enable-ipsecmod` support, and ipsecmod is enabled and used in the configuration.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2019-18934", "description": "Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with `--enable-ipsecmod` support, and ipsecmod is enabled and used in the configuration.", "id": "GSD-2019-18934", "references": [ "https://www.suse.com/security/cve/CVE-2019-18934.html", "https://access.redhat.com/errata/RHSA-2020:1716", "https://advisories.mageia.org/CVE-2019-18934.html", "https://linux.oracle.com/cve/CVE-2019-18934.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2019-18934" ], "details": "Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with `--enable-ipsecmod` support, and ipsecmod is enabled and used in the configuration.", "id": "GSD-2019-18934", "modified": "2023-12-13T01:23:50.426521Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-18934", "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": "Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with `--enable-ipsecmod` support, and ipsecmod is enabled and used in the configuration." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "[oss-security] 20191119 CVE-2019-18934 Unbound: Vulnerability in IPSEC module", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2019/11/19/1" }, { "name": "https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt", "refsource": "MISC", "url": "https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt" }, { "name": "https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelog", "refsource": "MISC", "url": "https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelog" }, { "name": "https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/", "refsource": "CONFIRM", "url": "https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/" }, { "name": "FEDORA-2019-a29e620cd4", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK/" }, { "name": "openSUSE-SU-2020:0912", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html" }, { "name": "openSUSE-SU-2020:0913", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndIncluding": "1.9.4", "versionStartIncluding": "1.6.4", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-18934" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with `--enable-ipsecmod` support, and ipsecmod is enabled and used in the configuration." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-78" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelog", "refsource": "MISC", "tags": [ "Release Notes" ], "url": "https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelog" }, { "name": "https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/", "refsource": "CONFIRM", "tags": [ "Release Notes", "Vendor Advisory" ], "url": "https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/" }, { "name": "https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt", "refsource": "MISC", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt" }, { "name": "[oss-security] 20191119 CVE-2019-18934 Unbound: Vulnerability in IPSEC module", "refsource": "MLIST", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ], "url": "http://www.openwall.com/lists/oss-security/2019/11/19/1" }, { "name": "FEDORA-2019-a29e620cd4", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK/" }, { "name": "openSUSE-SU-2020:0912", "refsource": "SUSE", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html" }, { "name": "openSUSE-SU-2020:0913", "refsource": "SUSE", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 3.4 } }, "lastModifiedDate": "2022-04-22T19:57Z", "publishedDate": "2019-11-19T18:15Z" } } }
ghsa-p35c-m7rx-rcvq
Vulnerability from github
Published
2022-05-24 17:01
Modified
2022-05-24 17:01
Severity ?
Details
Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with --enable-ipsecmod
support, and ipsecmod is enabled and used in the configuration.
{ "affected": [], "aliases": [ "CVE-2019-18934" ], "database_specific": { "cwe_ids": [ "CWE-20", "CWE-78" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2019-11-19T18:15:00Z", "severity": "HIGH" }, "details": "Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with `--enable-ipsecmod` support, and ipsecmod is enabled and used in the configuration.", "id": "GHSA-p35c-m7rx-rcvq", "modified": "2022-05-24T17:01:35Z", "published": "2022-05-24T17:01:35Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18934" }, { "type": "WEB", "url": "https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelog" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK" }, { "type": "WEB", "url": "https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt" }, { "type": "WEB", "url": "https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released" }, { "type": "WEB", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html" }, { "type": "WEB", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2019/11/19/1" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "type": "CVSS_V3" } ] }
RHSA-2020:1716
Vulnerability from csaf_redhat
Published
2020-04-28 15:36
Modified
2024-11-22 14:18
Summary
Red Hat Security Advisory: unbound security update
Notes
Topic
An update for unbound is now available for Red Hat Enterprise Linux 8.
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 unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.
Security Fix(es):
* unbound: command injection with data coming from a specially crafted IPSECKEY answer (CVE-2019-18934)
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 8.2 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 unbound is now available for Red Hat Enterprise Linux 8.\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 unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. \n\nSecurity Fix(es):\n\n* unbound: command injection with data coming from a specially crafted IPSECKEY answer (CVE-2019-18934)\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 8.2 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-2020:1716", "url": "https://access.redhat.com/errata/RHSA-2020:1716" }, { "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/8/html/8.2_release_notes/index", "url": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index" }, { "category": "external", "summary": "1775708", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1775708" }, { "category": "external", "summary": "1776762", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1776762" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_1716.json" } ], "title": "Red Hat Security Advisory: unbound security update", "tracking": { "current_release_date": "2024-11-22T14:18:57+00:00", "generator": { "date": "2024-11-22T14:18:57+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2020:1716", "initial_release_date": "2020-04-28T15:36:34+00:00", "revision_history": [ { "date": "2020-04-28T15:36:34+00:00", "number": "1", "summary": "Initial version" }, { "date": "2020-04-28T15:36:34+00:00", "number": "2", "summary": "Last updated version" }, 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"relates_to_product_reference": "AppStream-8.2.0.GA" }, { "category": "default_component_of", "full_product_name": { "name": "unbound-libs-debuginfo-0:1.7.3-10.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.s390x" }, "product_reference": "unbound-libs-debuginfo-0:1.7.3-10.el8.s390x", "relates_to_product_reference": "AppStream-8.2.0.GA" }, { "category": "default_component_of", "full_product_name": { "name": "unbound-libs-debuginfo-0:1.7.3-10.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.x86_64" }, "product_reference": "unbound-libs-debuginfo-0:1.7.3-10.el8.x86_64", "relates_to_product_reference": "AppStream-8.2.0.GA" } ] }, "vulnerabilities": [ { "cve": "CVE-2019-18934", "cwe": { "id": "CWE-78", "name": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)" }, "discovery_date": "2019-11-26T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1776762" } ], "notes": [ { "category": "description", "text": "A shell command injection vulnerability was discovered in the way unbound handles DNS queries for systems with a public key used for IPsec. When ipsecmod is enabled, a malicious DNS server could send a DNS reply which would be used during a following DNS query to execute shell commands with the privileges of the unbound process. The same attack could be performed by an attacker who can modify data transmitted over the network, before it reaches the unbound server, if DNSSEC is not used.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: command injection with data coming from a specially crafted IPSECKEY answer", "title": "Vulnerability summary" }, { "category": "other", "text": "The versions of unbound as shipped in Red Hat Enterprise Linux 7 and 8 have `ipsecmod` disabled by default, even though it could be activated through the unbound-control command, it would only be executable by high-privilege users. Moreover, the `username` option is enabled, reducing the impact of a successful attack, and DNSSEC is used by default, preventing an attacker from modifying DNS packets on the wire. Finally, the default SELinux policies prevent unbound from running any shell command.", "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-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.x86_64", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.i686", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.s390x", 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"https://access.redhat.com/security/cve/CVE-2019-18934" }, { "category": "external", "summary": "RHBZ#1776762", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1776762" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-18934", "url": "https://www.cve.org/CVERecord?id=CVE-2019-18934" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-18934", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18934" }, { "category": "external", "summary": "https://nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt", "url": "https://nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt" }, { "category": "external", "summary": "https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/", "url": "https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/" } ], "release_date": "2019-11-26T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2020-04-28T15:36:34+00:00", "details": "For details on how to apply this 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unbound from executing shell commands, apart from the expected one specified in the `ipsecmod-hook` option.", "product_ids": [ "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.x86_64", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.i686", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.x86_64", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.src", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.x86_64", 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"AppStream-8.2.0.GA:unbound-libs-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:unbound-libs-0:1.7.3-10.el8.x86_64", "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.i686", "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "unbound: command injection with data coming from a specially crafted IPSECKEY answer" } ] }
rhsa-2020_1716
Vulnerability from csaf_redhat
Published
2020-04-28 15:36
Modified
2024-11-22 14:18
Summary
Red Hat Security Advisory: unbound security update
Notes
Topic
An update for unbound is now available for Red Hat Enterprise Linux 8.
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 unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.
Security Fix(es):
* unbound: command injection with data coming from a specially crafted IPSECKEY answer (CVE-2019-18934)
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 8.2 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 unbound is now available for Red Hat Enterprise Linux 8.\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 unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. \n\nSecurity Fix(es):\n\n* unbound: command injection with data coming from a specially crafted IPSECKEY answer (CVE-2019-18934)\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 8.2 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-2020:1716", "url": "https://access.redhat.com/errata/RHSA-2020:1716" }, { "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/8/html/8.2_release_notes/index", "url": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index" }, { "category": "external", "summary": "1775708", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1775708" }, { "category": "external", "summary": "1776762", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1776762" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_1716.json" } ], "title": "Red Hat Security Advisory: unbound security update", "tracking": { "current_release_date": "2024-11-22T14:18:57+00:00", "generator": { "date": "2024-11-22T14:18:57+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2020:1716", "initial_release_date": "2020-04-28T15:36:34+00:00", "revision_history": [ { "date": "2020-04-28T15:36:34+00:00", "number": "1", "summary": "Initial version" }, { "date": "2020-04-28T15:36:34+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T14:18:57+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-8.2.0.GA", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux:8::appstream" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux" }, { "branches": [ { "category": "product_version", "name": "python3-unbound-0:1.7.3-10.el8.ppc64le", "product": { "name": "python3-unbound-0:1.7.3-10.el8.ppc64le", "product_id": "python3-unbound-0:1.7.3-10.el8.ppc64le", "product_identification_helper": { "purl": "pkg:rpm/redhat/python3-unbound@1.7.3-10.el8?arch=ppc64le" } } }, { "category": "product_version", "name": "unbound-0:1.7.3-10.el8.ppc64le", "product": { "name": "unbound-0:1.7.3-10.el8.ppc64le", "product_id": "unbound-0:1.7.3-10.el8.ppc64le", "product_identification_helper": { "purl": "pkg:rpm/redhat/unbound@1.7.3-10.el8?arch=ppc64le" } } }, { "category": "product_version", "name": "unbound-devel-0:1.7.3-10.el8.ppc64le", "product": { "name": "unbound-devel-0:1.7.3-10.el8.ppc64le", "product_id": "unbound-devel-0:1.7.3-10.el8.ppc64le", "product_identification_helper": { "purl": "pkg:rpm/redhat/unbound-devel@1.7.3-10.el8?arch=ppc64le" } } }, { "category": "product_version", "name": "unbound-libs-0:1.7.3-10.el8.ppc64le", "product": { "name": "unbound-libs-0:1.7.3-10.el8.ppc64le", "product_id": "unbound-libs-0:1.7.3-10.el8.ppc64le", "product_identification_helper": { "purl": "pkg:rpm/redhat/unbound-libs@1.7.3-10.el8?arch=ppc64le" } } }, { "category": "product_version", "name": "unbound-debugsource-0:1.7.3-10.el8.ppc64le", "product": { "name": "unbound-debugsource-0:1.7.3-10.el8.ppc64le", "product_id": "unbound-debugsource-0:1.7.3-10.el8.ppc64le", 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"relates_to_product_reference": "AppStream-8.2.0.GA" }, { "category": "default_component_of", "full_product_name": { "name": "unbound-libs-debuginfo-0:1.7.3-10.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.s390x" }, "product_reference": "unbound-libs-debuginfo-0:1.7.3-10.el8.s390x", "relates_to_product_reference": "AppStream-8.2.0.GA" }, { "category": "default_component_of", "full_product_name": { "name": "unbound-libs-debuginfo-0:1.7.3-10.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.x86_64" }, "product_reference": "unbound-libs-debuginfo-0:1.7.3-10.el8.x86_64", "relates_to_product_reference": "AppStream-8.2.0.GA" } ] }, "vulnerabilities": [ { "cve": "CVE-2019-18934", "cwe": { "id": "CWE-78", "name": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)" }, "discovery_date": "2019-11-26T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1776762" } ], "notes": [ { "category": "description", "text": "A shell command injection vulnerability was discovered in the way unbound handles DNS queries for systems with a public key used for IPsec. When ipsecmod is enabled, a malicious DNS server could send a DNS reply which would be used during a following DNS query to execute shell commands with the privileges of the unbound process. The same attack could be performed by an attacker who can modify data transmitted over the network, before it reaches the unbound server, if DNSSEC is not used.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: command injection with data coming from a specially crafted IPSECKEY answer", "title": "Vulnerability summary" }, { "category": "other", "text": "The versions of unbound as shipped in Red Hat Enterprise Linux 7 and 8 have `ipsecmod` disabled by default, even though it could be activated through the unbound-control command, it would only be executable by high-privilege users. Moreover, the `username` option is enabled, reducing the impact of a successful attack, and DNSSEC is used by default, preventing an attacker from modifying DNS packets on the wire. Finally, the default SELinux policies prevent unbound from running any shell command.", "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-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.x86_64", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.i686", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.s390x", 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"https://access.redhat.com/security/cve/CVE-2019-18934" }, { "category": "external", "summary": "RHBZ#1776762", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1776762" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-18934", "url": "https://www.cve.org/CVERecord?id=CVE-2019-18934" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-18934", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18934" }, { "category": "external", "summary": "https://nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt", "url": "https://nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt" }, { "category": "external", "summary": "https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/", "url": "https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/" } ], "release_date": "2019-11-26T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2020-04-28T15:36:34+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": [ "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.x86_64", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.i686", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.x86_64", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.src", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.x86_64", 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unbound from executing shell commands, apart from the expected one specified in the `ipsecmod-hook` option.", "product_ids": [ "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.x86_64", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.i686", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.x86_64", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.src", "AppStream-8.2.0.GA:unbound-0:1.7.3-10.el8.x86_64", 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"AppStream-8.2.0.GA:unbound-libs-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:unbound-libs-0:1.7.3-10.el8.x86_64", "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.i686", "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:unbound-libs-debuginfo-0:1.7.3-10.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "unbound: command injection with data coming from a specially crafted IPSECKEY answer" } ] }
rhsa-2020:1716
Vulnerability from csaf_redhat
Published
2020-04-28 15:36
Modified
2024-11-22 14:18
Summary
Red Hat Security Advisory: unbound security update
Notes
Topic
An update for unbound is now available for Red Hat Enterprise Linux 8.
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 unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.
Security Fix(es):
* unbound: command injection with data coming from a specially crafted IPSECKEY answer (CVE-2019-18934)
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 8.2 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 unbound is now available for Red Hat Enterprise Linux 8.\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 unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. \n\nSecurity Fix(es):\n\n* unbound: command injection with data coming from a specially crafted IPSECKEY answer (CVE-2019-18934)\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 8.2 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-2020:1716", "url": "https://access.redhat.com/errata/RHSA-2020:1716" }, { "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/8/html/8.2_release_notes/index", "url": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index" }, { "category": "external", "summary": "1775708", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1775708" }, { "category": "external", "summary": "1776762", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1776762" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_1716.json" } ], "title": "Red Hat Security Advisory: unbound security update", "tracking": { "current_release_date": "2024-11-22T14:18:57+00:00", "generator": { "date": "2024-11-22T14:18:57+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2020:1716", "initial_release_date": "2020-04-28T15:36:34+00:00", "revision_history": [ { "date": "2020-04-28T15:36:34+00:00", "number": "1", "summary": "Initial version" }, { "date": "2020-04-28T15:36:34+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T14:18:57+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-8.2.0.GA", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux:8::appstream" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux" }, { "branches": [ { "category": "product_version", "name": "python3-unbound-0:1.7.3-10.el8.ppc64le", "product": { "name": "python3-unbound-0:1.7.3-10.el8.ppc64le", "product_id": "python3-unbound-0:1.7.3-10.el8.ppc64le", "product_identification_helper": { "purl": "pkg:rpm/redhat/python3-unbound@1.7.3-10.el8?arch=ppc64le" } } }, { "category": "product_version", "name": "unbound-0:1.7.3-10.el8.ppc64le", "product": { "name": 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Injection\u0027)" }, "discovery_date": "2019-11-26T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1776762" } ], "notes": [ { "category": "description", "text": "A shell command injection vulnerability was discovered in the way unbound handles DNS queries for systems with a public key used for IPsec. When ipsecmod is enabled, a malicious DNS server could send a DNS reply which would be used during a following DNS query to execute shell commands with the privileges of the unbound process. The same attack could be performed by an attacker who can modify data transmitted over the network, before it reaches the unbound server, if DNSSEC is not used.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: command injection with data coming from a specially crafted IPSECKEY answer", "title": "Vulnerability summary" }, { "category": "other", "text": "The versions of unbound as shipped in Red Hat Enterprise Linux 7 and 8 have `ipsecmod` disabled by default, even though it could be activated through the unbound-control command, it would only be executable by high-privilege users. Moreover, the `username` option is enabled, reducing the impact of a successful attack, and DNSSEC is used by default, preventing an attacker from modifying DNS packets on the wire. Finally, the default SELinux policies prevent unbound from running any shell command.", "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-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.s390x", "AppStream-8.2.0.GA:python3-unbound-0:1.7.3-10.el8.x86_64", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.aarch64", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.i686", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.ppc64le", "AppStream-8.2.0.GA:python3-unbound-debuginfo-0:1.7.3-10.el8.s390x", 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"https://access.redhat.com/security/cve/CVE-2019-18934" }, { "category": "external", "summary": "RHBZ#1776762", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1776762" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-18934", "url": "https://www.cve.org/CVERecord?id=CVE-2019-18934" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-18934", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18934" }, { "category": "external", "summary": "https://nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt", "url": "https://nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt" }, { "category": "external", "summary": "https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/", "url": "https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/" } ], "release_date": "2019-11-26T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2020-04-28T15:36:34+00:00", "details": "For details on how to apply this 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Sightings
Author | Source | Type | Date |
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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.