Vulnerability from csaf_suse
Published
2021-05-05 16:24
Modified
2021-05-05 16:24
Summary
Security update for libxml2
Notes
Title of the patch
Security update for libxml2
Description of the patch
This update for libxml2 fixes the following issues:
- CVE-2021-3518: Fixed a use after free in xinclude.c:xmlXIncludeDoProcess (bsc#1185408).
- CVE-2021-3517: Fixed a heap based buffer overflow in entities.c:xmlEncodeEntitiesInternal (bsc#1185410).
- CVE-2021-3516: Fixed a use after free in entities.c:xmlEncodeEntitiesInternal (bsc#1185409).
Patchnames
SUSE-2021-1523,SUSE-SLE-Module-Basesystem-15-SP2-2021-1523,SUSE-SLE-Module-Basesystem-15-SP3-2021-1523,SUSE-SLE-Module-Python2-15-SP2-2021-1523,SUSE-SLE-Module-Python2-15-SP3-2021-1523,SUSE-SUSE-MicroOS-5.0-2021-1523
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
{ document: { aggregate_severity: { namespace: "https://www.suse.com/support/security/rating/", text: "moderate", }, category: "csaf_security_advisory", csaf_version: "2.0", distribution: { text: "Copyright 2024 SUSE LLC. All rights reserved.", tlp: { label: "WHITE", url: "https://www.first.org/tlp/", }, }, lang: "en", notes: [ { category: "summary", text: "Security update for libxml2", title: "Title of the patch", }, { category: "description", text: "This update for libxml2 fixes the following issues:\n\n- CVE-2021-3518: Fixed a use after free in xinclude.c:xmlXIncludeDoProcess (bsc#1185408).\n- CVE-2021-3517: Fixed a heap based buffer overflow in entities.c:xmlEncodeEntitiesInternal (bsc#1185410).\n- CVE-2021-3516: Fixed a use after free in entities.c:xmlEncodeEntitiesInternal (bsc#1185409).\n", title: "Description of the patch", }, { category: "details", text: "SUSE-2021-1523,SUSE-SLE-Module-Basesystem-15-SP2-2021-1523,SUSE-SLE-Module-Basesystem-15-SP3-2021-1523,SUSE-SLE-Module-Python2-15-SP2-2021-1523,SUSE-SLE-Module-Python2-15-SP3-2021-1523,SUSE-SUSE-MicroOS-5.0-2021-1523", title: "Patchnames", }, { category: "legal_disclaimer", text: "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).", title: "Terms of use", }, ], publisher: { category: "vendor", contact_details: "https://www.suse.com/support/security/contact/", name: "SUSE Product Security Team", namespace: "https://www.suse.com/", }, references: [ { category: "external", summary: "SUSE ratings", url: "https://www.suse.com/support/security/rating/", }, { category: "self", summary: "URL of this CSAF notice", url: "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2021_1523-1.json", }, { category: "self", summary: "URL for SUSE-SU-2021:1523-1", url: "https://www.suse.com/support/update/announcement/2021/suse-su-20211523-1/", }, { category: "self", summary: "E-Mail link for SUSE-SU-2021:1523-1", url: "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008740.html", }, { category: "self", summary: "SUSE Bug 1185408", url: "https://bugzilla.suse.com/1185408", }, { category: "self", summary: "SUSE Bug 1185409", url: "https://bugzilla.suse.com/1185409", }, { category: "self", summary: "SUSE Bug 1185410", url: "https://bugzilla.suse.com/1185410", }, { category: "self", summary: "SUSE CVE CVE-2021-3516 page", url: "https://www.suse.com/security/cve/CVE-2021-3516/", }, { category: "self", summary: "SUSE CVE CVE-2021-3517 page", url: "https://www.suse.com/security/cve/CVE-2021-3517/", }, { category: "self", summary: "SUSE CVE CVE-2021-3518 page", url: "https://www.suse.com/security/cve/CVE-2021-3518/", }, ], title: "Security update for libxml2", tracking: { current_release_date: "2021-05-05T16:24:43Z", generator: { date: "2021-05-05T16:24:43Z", engine: { name: "cve-database.git:bin/generate-csaf.pl", version: "1", }, }, id: "SUSE-SU-2021:1523-1", initial_release_date: "2021-05-05T16:24:43Z", revision_history: [ { date: "2021-05-05T16:24:43Z", number: "1", summary: "Current version", }, ], status: "final", version: "1", }, }, product_tree: { branches: [ { branches: [ { branches: [ { category: "product_version", name: 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An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Micro 5.0:libxml2-2-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Micro 5.0:libxml2-2-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Micro 5.0:libxml2-tools-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Micro 5.0:libxml2-tools-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.ppc64le", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.s390x", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-32bit-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-devel-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Module for Basesystem 15 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vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", version: "3.1", }, products: [ "SUSE Linux Enterprise Micro 5.0:libxml2-2-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Micro 5.0:libxml2-2-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Micro 5.0:libxml2-tools-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Micro 5.0:libxml2-tools-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.ppc64le", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.s390x", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-32bit-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-devel-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-devel-2.9.7-3.31.1.ppc64le", "SUSE Linux Enterprise Module 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An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Micro 5.0:libxml2-2-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Micro 5.0:libxml2-2-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Micro 5.0:libxml2-tools-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Micro 5.0:libxml2-tools-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.ppc64le", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.s390x", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-32bit-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise 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Module for Python 2 15 SP2:python2-libxml2-python-2.9.7-3.31.1.s390x", "SUSE Linux Enterprise Module for Python 2 15 SP2:python2-libxml2-python-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Python 2 15 SP3:python2-libxml2-python-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Module for Python 2 15 SP3:python2-libxml2-python-2.9.7-3.31.1.ppc64le", "SUSE Linux Enterprise Module for Python 2 15 SP3:python2-libxml2-python-2.9.7-3.31.1.s390x", "SUSE Linux Enterprise Module for Python 2 15 SP3:python2-libxml2-python-2.9.7-3.31.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2021-05-05T16:24:43Z", details: "important", }, ], title: "CVE-2021-3517", }, { cve: "CVE-2021-3518", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2021-3518", }, ], notes: [ { category: "general", text: "There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Micro 5.0:libxml2-2-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Micro 5.0:libxml2-2-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Micro 5.0:libxml2-tools-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Micro 5.0:libxml2-tools-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.ppc64le", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.s390x", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-32bit-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-devel-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Module for Basesystem 15 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Linux Enterprise Module for Python 2 15 SP3:python2-libxml2-python-2.9.7-3.31.1.ppc64le", "SUSE Linux Enterprise Module for Python 2 15 SP3:python2-libxml2-python-2.9.7-3.31.1.s390x", "SUSE Linux Enterprise Module for Python 2 15 SP3:python2-libxml2-python-2.9.7-3.31.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2021-3518", url: "https://www.suse.com/security/cve/CVE-2021-3518", }, { category: "external", summary: "SUSE Bug 1185408 for CVE-2021-3518", url: "https://bugzilla.suse.com/1185408", }, { category: "external", summary: "SUSE Bug 1191860 for CVE-2021-3518", url: "https://bugzilla.suse.com/1191860", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Micro 5.0:libxml2-2-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Micro 5.0:libxml2-2-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise 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vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", version: "3.1", }, products: [ "SUSE Linux Enterprise Micro 5.0:libxml2-2-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Micro 5.0:libxml2-2-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Micro 5.0:libxml2-tools-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Micro 5.0:libxml2-tools-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.ppc64le", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.s390x", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-2-32bit-2.9.7-3.31.1.x86_64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-devel-2.9.7-3.31.1.aarch64", "SUSE Linux Enterprise Module for Basesystem 15 SP2:libxml2-devel-2.9.7-3.31.1.ppc64le", "SUSE Linux Enterprise Module 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SP3:python2-libxml2-python-2.9.7-3.31.1.ppc64le", "SUSE Linux Enterprise Module for Python 2 15 SP3:python2-libxml2-python-2.9.7-3.31.1.s390x", "SUSE Linux Enterprise Module for Python 2 15 SP3:python2-libxml2-python-2.9.7-3.31.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2021-05-05T16:24:43Z", details: "moderate", }, ], title: "CVE-2021-3518", }, ], }
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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.