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Red Hat Security Advisory 2023-0116-01

Red Hat Security Advisory 2023-0116-01 - A library that provides Abstract Syntax Notation One parsing and structures management, and Distinguished Encoding Rules encoding and decoding functions.

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: libtasn1 security update
Advisory ID: RHSA-2023:0116-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0116
Issue date: 2023-01-12
CVE Names: CVE-2021-46848
=====================================================================

  1. Summary:

An update for libtasn1 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.

  1. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

  1. Description:

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.

  1. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

  1. Bugs fixed (https://bugzilla.redhat.com/):

2140058 - CVE-2021-46848 libtasn1: Out-of-bound access in ETYPE_OK

  1. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

aarch64:
libtasn1-debuginfo-4.13-4.el8_7.aarch64.rpm
libtasn1-debugsource-4.13-4.el8_7.aarch64.rpm
libtasn1-devel-4.13-4.el8_7.aarch64.rpm
libtasn1-tools-4.13-4.el8_7.aarch64.rpm
libtasn1-tools-debuginfo-4.13-4.el8_7.aarch64.rpm

ppc64le:
libtasn1-debuginfo-4.13-4.el8_7.ppc64le.rpm
libtasn1-debugsource-4.13-4.el8_7.ppc64le.rpm
libtasn1-devel-4.13-4.el8_7.ppc64le.rpm
libtasn1-tools-4.13-4.el8_7.ppc64le.rpm
libtasn1-tools-debuginfo-4.13-4.el8_7.ppc64le.rpm

s390x:
libtasn1-debuginfo-4.13-4.el8_7.s390x.rpm
libtasn1-debugsource-4.13-4.el8_7.s390x.rpm
libtasn1-devel-4.13-4.el8_7.s390x.rpm
libtasn1-tools-4.13-4.el8_7.s390x.rpm
libtasn1-tools-debuginfo-4.13-4.el8_7.s390x.rpm

x86_64:
libtasn1-debuginfo-4.13-4.el8_7.i686.rpm
libtasn1-debuginfo-4.13-4.el8_7.x86_64.rpm
libtasn1-debugsource-4.13-4.el8_7.i686.rpm
libtasn1-debugsource-4.13-4.el8_7.x86_64.rpm
libtasn1-devel-4.13-4.el8_7.i686.rpm
libtasn1-devel-4.13-4.el8_7.x86_64.rpm
libtasn1-tools-4.13-4.el8_7.x86_64.rpm
libtasn1-tools-debuginfo-4.13-4.el8_7.i686.rpm
libtasn1-tools-debuginfo-4.13-4.el8_7.x86_64.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
libtasn1-4.13-4.el8_7.src.rpm

aarch64:
libtasn1-4.13-4.el8_7.aarch64.rpm
libtasn1-debuginfo-4.13-4.el8_7.aarch64.rpm
libtasn1-debugsource-4.13-4.el8_7.aarch64.rpm
libtasn1-tools-debuginfo-4.13-4.el8_7.aarch64.rpm

ppc64le:
libtasn1-4.13-4.el8_7.ppc64le.rpm
libtasn1-debuginfo-4.13-4.el8_7.ppc64le.rpm
libtasn1-debugsource-4.13-4.el8_7.ppc64le.rpm
libtasn1-tools-debuginfo-4.13-4.el8_7.ppc64le.rpm

s390x:
libtasn1-4.13-4.el8_7.s390x.rpm
libtasn1-debuginfo-4.13-4.el8_7.s390x.rpm
libtasn1-debugsource-4.13-4.el8_7.s390x.rpm
libtasn1-tools-debuginfo-4.13-4.el8_7.s390x.rpm

x86_64:
libtasn1-4.13-4.el8_7.i686.rpm
libtasn1-4.13-4.el8_7.x86_64.rpm
libtasn1-debuginfo-4.13-4.el8_7.i686.rpm
libtasn1-debuginfo-4.13-4.el8_7.x86_64.rpm
libtasn1-debugsource-4.13-4.el8_7.i686.rpm
libtasn1-debugsource-4.13-4.el8_7.x86_64.rpm
libtasn1-tools-debuginfo-4.13-4.el8_7.i686.rpm
libtasn1-tools-debuginfo-4.13-4.el8_7.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

  1. References:

https://access.redhat.com/security/cve/CVE-2021-46848
https://access.redhat.com/security/updates/classification/#moderate

  1. Contact:

The Red Hat security contact is [email protected]. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
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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.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. Related CVEs: * CVE-2021-46848: libtasn1: Out-of-bound access in ETYPE_OK

RHSA-2023:0116: Red Hat Security Advisory: libtasn1 security update

An update for libtasn1 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.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. Related CVEs: * CVE-2021-46848: libtasn1: Out-of-bound access in ETYPE_OK

Scanvus now supports Vulners and Vulns.io VM Linux vulnerability detection APIs

Hello everyone! Great news for my open source Scanvus project! You can now perform vulnerability checks on Linux hosts and docker images not only using the Vulners.com API, but also with the Vulns.io VM API. It’s especially nice that all the code to support the new API was written and contributed by colleagues from Vulns.io. […]

Ubuntu Security Notice USN-5707-1

Ubuntu Security Notice 5707-1 - It was discovered that Libtasn1 did not properly perform bounds checking. An attacker could possibly use this issue to cause a crash.

CVE-2021-46848: Out-of-bound access in ETYPE_OK (#32) · Issues · gnutls / libtasn1 · GitLab

GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.

Packet Storm: Latest News

Acronis Cyber Protect/Backup Remote Code Execution