Home / mailings [RHSA-2023:0116-01] Moderate: libtasn1 security update
Posted on 12 January 2023
RedHat===================================================================== 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.
2. 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
3. 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.
4. 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
5. Bugs fixed (https://bugzilla.redhat.com/):
2140058 - CVE-2021-46848 libtasn1: Out-of-bound access in ETYPE_OK
6. 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/
7. References:
https://access.redhat.com/security/cve/CVE-2021-46848
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
