Red Hat Security Advisory 2022-1070-01 – Torchsec
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Red Hat Security Advisory
Synopsis: Important: expat security update
Advisory ID: RHSA-2022:1070-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:1070
Issue date: 2022-03-28
CVE Names: CVE-2022-25235 CVE-2022-25236 CVE-2022-25315
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1. Summary:
An update for expat is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.
Red Hat Product Security has rated this update as having a security impact
of Important. 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 BaseOS EUS (v. 8.2) - aarch64, ppc64le, s390x, x86_64
3. Description:
Expat is a C library for parsing XML documents.
Security Fix(es):
* expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code
execution (CVE-2022-25235)
* expat: Namespace-separator characters in "xmlns[:prefix]" attribute
values can lead to arbitrary code execution (CVE-2022-25236)
* expat: Integer overflow in storeRawNames() (CVE-2022-25315)
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
After installing the updated packages, applications using the Expat library
must be restarted for the update to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
2056363 - CVE-2022-25315 expat: Integer overflow in storeRawNames()
2056366 - CVE-2022-25235 expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution
2056370 - CVE-2022-25236 expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution
6. Package List:
Red Hat Enterprise Linux BaseOS EUS (v. 8.2):
Source:
expat-2.2.5-3.el8_2.2.src.rpm
aarch64:
expat-2.2.5-3.el8_2.2.aarch64.rpm
expat-debuginfo-2.2.5-3.el8_2.2.aarch64.rpm
expat-debugsource-2.2.5-3.el8_2.2.aarch64.rpm
expat-devel-2.2.5-3.el8_2.2.aarch64.rpm
ppc64le:
expat-2.2.5-3.el8_2.2.ppc64le.rpm
expat-debuginfo-2.2.5-3.el8_2.2.ppc64le.rpm
expat-debugsource-2.2.5-3.el8_2.2.ppc64le.rpm
expat-devel-2.2.5-3.el8_2.2.ppc64le.rpm
s390x:
expat-2.2.5-3.el8_2.2.s390x.rpm
expat-debuginfo-2.2.5-3.el8_2.2.s390x.rpm
expat-debugsource-2.2.5-3.el8_2.2.s390x.rpm
expat-devel-2.2.5-3.el8_2.2.s390x.rpm
x86_64:
expat-2.2.5-3.el8_2.2.i686.rpm
expat-2.2.5-3.el8_2.2.x86_64.rpm
expat-debuginfo-2.2.5-3.el8_2.2.i686.rpm
expat-debuginfo-2.2.5-3.el8_2.2.x86_64.rpm
expat-debugsource-2.2.5-3.el8_2.2.i686.rpm
expat-debugsource-2.2.5-3.el8_2.2.x86_64.rpm
expat-devel-2.2.5-3.el8_2.2.i686.rpm
expat-devel-2.2.5-3.el8_2.2.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-2022-25235
https://access.redhat.com/security/cve/CVE-2022-25236
https://access.redhat.com/security/cve/CVE-2022-25315
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is
details at https://access.redhat.com/security/team/contact/
Copyright 2022 Red Hat, Inc.
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