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Red Hat Security Advisory 2023-0340-01

Red Hat Security Advisory 2023-0340-01
Posted Jan 24, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0340-01 - The bash packages provide Bash, which is the default shell for Red Hat Enterprise Linux. Issues addressed include a buffer overflow vulnerability.

tags | advisory, overflow, shell, bash
systems | linux, redhat
advisories | CVE-2022-3715
SHA-256 | c4175fcaf8e760446048b0702a788a15a9b75b05bd2cee9ae422f72e0f822cee

Red Hat Security Advisory 2023-0340-01

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Moderate: bash security update
Advisory ID: RHSA-2023:0340-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0340
Issue date: 2023-01-23
CVE Names: CVE-2022-3715
====================================================================
1. Summary:

An update for bash 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.

2. Relevant releases/architectures:

Red Hat CodeReady Linux Builder (v. 9) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 9) - aarch64, ppc64le, s390x, x86_64

3. Description:

The bash packages provide Bash (Bourne-again shell), which is the default
shell for Red Hat Enterprise Linux.

Security Fix(es):

* bash: a heap-buffer-overflow in valid_parameter_transform (CVE-2022-3715)

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/):

2126720 - CVE-2022-3715 bash: a heap-buffer-overflow in valid_parameter_transform

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 9):

Source:
bash-5.1.8-6.el9_1.src.rpm

aarch64:
bash-5.1.8-6.el9_1.aarch64.rpm
bash-debuginfo-5.1.8-6.el9_1.aarch64.rpm
bash-debugsource-5.1.8-6.el9_1.aarch64.rpm

ppc64le:
bash-5.1.8-6.el9_1.ppc64le.rpm
bash-debuginfo-5.1.8-6.el9_1.ppc64le.rpm
bash-debugsource-5.1.8-6.el9_1.ppc64le.rpm

s390x:
bash-5.1.8-6.el9_1.s390x.rpm
bash-debuginfo-5.1.8-6.el9_1.s390x.rpm
bash-debugsource-5.1.8-6.el9_1.s390x.rpm

x86_64:
bash-5.1.8-6.el9_1.x86_64.rpm
bash-debuginfo-5.1.8-6.el9_1.x86_64.rpm
bash-debugsource-5.1.8-6.el9_1.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 9):

aarch64:
bash-debuginfo-5.1.8-6.el9_1.aarch64.rpm
bash-debugsource-5.1.8-6.el9_1.aarch64.rpm
bash-devel-5.1.8-6.el9_1.aarch64.rpm

ppc64le:
bash-debuginfo-5.1.8-6.el9_1.ppc64le.rpm
bash-debugsource-5.1.8-6.el9_1.ppc64le.rpm
bash-devel-5.1.8-6.el9_1.ppc64le.rpm

s390x:
bash-debuginfo-5.1.8-6.el9_1.s390x.rpm
bash-debugsource-5.1.8-6.el9_1.s390x.rpm
bash-devel-5.1.8-6.el9_1.s390x.rpm

x86_64:
bash-debuginfo-5.1.8-6.el9_1.x86_64.rpm
bash-debugsource-5.1.8-6.el9_1.x86_64.rpm
bash-devel-5.1.8-6.el9_1.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-2022-3715
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/security/cve/CVE-2022-3715

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.
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