rhsa-2020_4464
Vulnerability from csaf_redhat
Published
2020-11-04 01:47
Modified
2024-11-05 22:53
Summary
Red Hat Security Advisory: libxslt security update
Notes
Topic
An update for libxslt 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
libxslt is a library for transforming XML files into other textual formats (including HTML, plain text, and other XML representations of the underlying data) using the standard XSLT stylesheet transformation mechanism.
Security Fix(es):
* libxslt: xsltCheckRead and xsltCheckWrite routines security bypass by crafted URL (CVE-2019-11068)
* libxslt: use after free in xsltCopyText in transform.c could lead to information disclosure (CVE-2019-18197)
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 8.3 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 libxslt 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": "libxslt is a library for transforming XML files into other textual formats (including HTML, plain text, and other XML representations of the underlying data) using the standard XSLT stylesheet transformation mechanism. \n\nSecurity Fix(es):\n\n* libxslt: xsltCheckRead and xsltCheckWrite routines security bypass by crafted URL (CVE-2019-11068)\n\n* libxslt: use after free in xsltCopyText in transform.c could lead to information disclosure (CVE-2019-18197)\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 8.3 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-2020:4464", "url": "https://access.redhat.com/errata/RHSA-2020:4464" }, { "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/8.3_release_notes/", "url": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/" }, { "category": "external", "summary": "1709697", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1709697" }, { "category": "external", "summary": "1770768", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1770768" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_4464.json" } ], "title": "Red Hat Security Advisory: libxslt security update", "tracking": { "current_release_date": "2024-11-05T22:53:47+00:00", "generator": { "date": "2024-11-05T22:53:47+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2020:4464", "initial_release_date": "2020-11-04T01:47:26+00:00", "revision_history": [ { "date": "2020-11-04T01:47:26+00:00", "number": "1", "summary": "Initial version" }, { "date": "2020-11-04T01:47:26+00:00", "number": "2", "summary": "Last updated version" }, { 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"Red Hat Bugzilla ID", "text": "1709697" } ], "notes": [ { "category": "description", "text": "libxslt through 1.1.33 allows bypass of a protection mechanism because callers of xsltCheckRead and xsltCheckWrite permit access even upon receiving a -1 error code. xsltCheckRead can return -1 for a crafted URL that is not actually invalid and is subsequently loaded.", "title": "Vulnerability description" }, { "category": "summary", "text": "libxslt: xsltCheckRead and xsltCheckWrite routines security bypass by crafted URL", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat OpenStack will consume fixes from the base Red Hat Enterprise Linux Operating System. Therefore the package provided by Red Hat OpenStack has been marked as will not fix.", "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-8.3.0.GA:libxslt-0:1.1.32-5.el8.aarch64", "AppStream-8.3.0.GA:libxslt-0:1.1.32-5.el8.i686", "AppStream-8.3.0.GA:libxslt-0:1.1.32-5.el8.ppc64le", "AppStream-8.3.0.GA:libxslt-0:1.1.32-5.el8.s390x", "AppStream-8.3.0.GA:libxslt-0:1.1.32-5.el8.src", "AppStream-8.3.0.GA:libxslt-0:1.1.32-5.el8.x86_64", "AppStream-8.3.0.GA:libxslt-debuginfo-0:1.1.32-5.el8.aarch64", "AppStream-8.3.0.GA:libxslt-debuginfo-0:1.1.32-5.el8.i686", "AppStream-8.3.0.GA:libxslt-debuginfo-0:1.1.32-5.el8.ppc64le", "AppStream-8.3.0.GA:libxslt-debuginfo-0:1.1.32-5.el8.s390x", 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If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed.", "title": "Vulnerability description" }, { "category": "summary", "text": "libxslt: use after free in xsltCopyText in transform.c could lead to information disclosure", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat OpenStack consumes fixes from the base Red Hat Enterprise Linux Operating System. Therefore the libxslt package provided by Red Hat OpenStack has been marked as \u0027will not fix\u0027.", "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-8.3.0.GA:libxslt-0:1.1.32-5.el8.aarch64", "AppStream-8.3.0.GA:libxslt-0:1.1.32-5.el8.i686", "AppStream-8.3.0.GA:libxslt-0:1.1.32-5.el8.ppc64le", "AppStream-8.3.0.GA:libxslt-0:1.1.32-5.el8.s390x", "AppStream-8.3.0.GA:libxslt-0:1.1.32-5.el8.src", "AppStream-8.3.0.GA:libxslt-0:1.1.32-5.el8.x86_64", "AppStream-8.3.0.GA:libxslt-debuginfo-0:1.1.32-5.el8.aarch64", "AppStream-8.3.0.GA:libxslt-debuginfo-0:1.1.32-5.el8.i686", "AppStream-8.3.0.GA:libxslt-debuginfo-0:1.1.32-5.el8.ppc64le", "AppStream-8.3.0.GA:libxslt-debuginfo-0:1.1.32-5.el8.s390x", 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"https://access.redhat.com/security/cve/CVE-2019-18197" }, { "category": "external", "summary": "RHBZ#1770768", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1770768" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-18197", "url": "https://www.cve.org/CVERecord?id=CVE-2019-18197" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-18197", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18197" } ], "release_date": "2019-10-18T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2020-11-04T01:47:26+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-8.3.0.GA:libxslt-0:1.1.32-5.el8.aarch64", "AppStream-8.3.0.GA:libxslt-0:1.1.32-5.el8.i686", "AppStream-8.3.0.GA:libxslt-0:1.1.32-5.el8.ppc64le", "AppStream-8.3.0.GA:libxslt-0:1.1.32-5.el8.s390x", 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"BaseOS-8.3.0.GA:libxslt-devel-0:1.1.32-5.el8.aarch64", "BaseOS-8.3.0.GA:libxslt-devel-0:1.1.32-5.el8.i686", "BaseOS-8.3.0.GA:libxslt-devel-0:1.1.32-5.el8.ppc64le", "BaseOS-8.3.0.GA:libxslt-devel-0:1.1.32-5.el8.s390x", "BaseOS-8.3.0.GA:libxslt-devel-0:1.1.32-5.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "libxslt: use after free in xsltCopyText in transform.c could lead to information disclosure" } ] }
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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.