rhsa-2023_0343
Vulnerability from csaf_redhat
Published
2023-01-23 15:30
Modified
2024-11-22 21:11
Summary
Red Hat Security Advisory: libtasn1 security update
Notes
Topic
An update for libtasn1 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
A library that provides Abstract Syntax Notation One (ASN.1, as specified by the X.680 ITU-T recommendation) parsing and structures management, and Distinguished Encoding Rules (DER, as per X.690) encoding and decoding functions.
Security Fix(es):
* libtasn1: Out-of-bound access in ETYPE_OK (CVE-2021-46848)
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.
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 libtasn1 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": "A library that provides Abstract Syntax Notation One (ASN.1, as specified by the X.680 ITU-T recommendation) parsing and structures management, and Distinguished Encoding Rules (DER, as per X.690) encoding and decoding functions.\n\nSecurity Fix(es):\n\n* libtasn1: Out-of-bound access in ETYPE_OK (CVE-2021-46848)\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.", "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-2023:0343", "url": "https://access.redhat.com/errata/RHSA-2023:0343" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "2140058", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2140058" }, { "category": "self", "summary": "Canonical URL", 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function. This flaw allows a remote attacker to pass specially crafted data or invalid values to the application, triggering an off-by-one error, corrupting the memory, and possibly performing a denial of service (DoS) attack.", "title": "Vulnerability description" }, { "category": "summary", "text": "libtasn1: Out-of-bound access in ETYPE_OK", "title": "Vulnerability summary" }, { "category": "other", "text": "This flaw enables access to one additional memory byte, significantly constraining the potential damage an attacker could inflict. For this reason it is rated as having a Moderate impact to Red Hat Offerings.", "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-9.1.0.Z.MAIN:libtasn1-0:4.16.0-8.el9_1.aarch64", "AppStream-9.1.0.Z.MAIN:libtasn1-0:4.16.0-8.el9_1.i686", "AppStream-9.1.0.Z.MAIN:libtasn1-0:4.16.0-8.el9_1.ppc64le", "AppStream-9.1.0.Z.MAIN:libtasn1-0:4.16.0-8.el9_1.s390x", "AppStream-9.1.0.Z.MAIN:libtasn1-0:4.16.0-8.el9_1.src", "AppStream-9.1.0.Z.MAIN:libtasn1-0:4.16.0-8.el9_1.x86_64", "AppStream-9.1.0.Z.MAIN:libtasn1-debuginfo-0:4.16.0-8.el9_1.aarch64", "AppStream-9.1.0.Z.MAIN:libtasn1-debuginfo-0:4.16.0-8.el9_1.i686", "AppStream-9.1.0.Z.MAIN:libtasn1-debuginfo-0:4.16.0-8.el9_1.ppc64le", 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"libtasn1: Out-of-bound access in ETYPE_OK" } ] }
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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.