An expat security update has been released for Red Hat Enterprise Linux 7.
RHSA-2022:1069-01: Important: expat security update
=====================================================================
Red Hat Security Advisory
Synopsis: Important: expat security update
Advisory ID: RHSA-2022:1069-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:1069
Issue date: 2022-03-28
CVE Names: CVE-2021-45960 CVE-2021-46143 CVE-2022-22822
CVE-2022-22823 CVE-2022-22824 CVE-2022-22825
CVE-2022-22826 CVE-2022-22827 CVE-2022-23852
CVE-2022-25235 CVE-2022-25236 CVE-2022-25315
=====================================================================
1. Summary:
An update for expat is now available for Red Hat Enterprise Linux 7.
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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - 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)
* expat: Large number of prefixed XML attributes on a single tag can crash
libexpat (CVE-2021-45960)
* expat: Integer overflow in doProlog in xmlparse.c (CVE-2021-46143)
* expat: Integer overflow in addBinding in xmlparse.c (CVE-2022-22822)
* expat: Integer overflow in build_model in xmlparse.c (CVE-2022-22823)
* expat: Integer overflow in defineAttribute in xmlparse.c (CVE-2022-22824)
* expat: Integer overflow in lookup in xmlparse.c (CVE-2022-22825)
* expat: Integer overflow in nextScaffoldPart in xmlparse.c
(CVE-2022-22826)
* expat: Integer overflow in storeAtts in xmlparse.c (CVE-2022-22827)
* expat: Integer overflow in function XML_GetBuffer (CVE-2022-23852)
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/):
2044451 - CVE-2021-45960 expat: Large number of prefixed XML attributes on a single tag can crash libexpat
2044455 - CVE-2021-46143 expat: Integer overflow in doProlog in xmlparse.c
2044457 - CVE-2022-22822 expat: Integer overflow in addBinding in xmlparse.c
2044464 - CVE-2022-22823 expat: Integer overflow in build_model in xmlparse.c
2044467 - CVE-2022-22824 expat: Integer overflow in defineAttribute in xmlparse.c
2044479 - CVE-2022-22825 expat: Integer overflow in lookup in xmlparse.c
2044484 - CVE-2022-22826 expat: Integer overflow in nextScaffoldPart in xmlparse.c
2044488 - CVE-2022-22827 expat: Integer overflow in storeAtts in xmlparse.c
2044613 - CVE-2022-23852 expat: Integer overflow in function XML_GetBuffer
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 Client (v. 7):
Source:
expat-2.1.0-14.el7_9.src.rpm
x86_64:
expat-2.1.0-14.el7_9.i686.rpm
expat-2.1.0-14.el7_9.x86_64.rpm
expat-debuginfo-2.1.0-14.el7_9.i686.rpm
expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
expat-debuginfo-2.1.0-14.el7_9.i686.rpm
expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm
expat-devel-2.1.0-14.el7_9.i686.rpm
expat-devel-2.1.0-14.el7_9.x86_64.rpm
expat-static-2.1.0-14.el7_9.i686.rpm
expat-static-2.1.0-14.el7_9.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
expat-2.1.0-14.el7_9.src.rpm
x86_64:
expat-2.1.0-14.el7_9.i686.rpm
expat-2.1.0-14.el7_9.x86_64.rpm
expat-debuginfo-2.1.0-14.el7_9.i686.rpm
expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
expat-debuginfo-2.1.0-14.el7_9.i686.rpm
expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm
expat-devel-2.1.0-14.el7_9.i686.rpm
expat-devel-2.1.0-14.el7_9.x86_64.rpm
expat-static-2.1.0-14.el7_9.i686.rpm
expat-static-2.1.0-14.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
expat-2.1.0-14.el7_9.src.rpm
ppc64:
expat-2.1.0-14.el7_9.ppc.rpm
expat-2.1.0-14.el7_9.ppc64.rpm
expat-debuginfo-2.1.0-14.el7_9.ppc.rpm
expat-debuginfo-2.1.0-14.el7_9.ppc64.rpm
expat-devel-2.1.0-14.el7_9.ppc.rpm
expat-devel-2.1.0-14.el7_9.ppc64.rpm
ppc64le:
expat-2.1.0-14.el7_9.ppc64le.rpm
expat-debuginfo-2.1.0-14.el7_9.ppc64le.rpm
expat-devel-2.1.0-14.el7_9.ppc64le.rpm
s390x:
expat-2.1.0-14.el7_9.s390.rpm
expat-2.1.0-14.el7_9.s390x.rpm
expat-debuginfo-2.1.0-14.el7_9.s390.rpm
expat-debuginfo-2.1.0-14.el7_9.s390x.rpm
expat-devel-2.1.0-14.el7_9.s390.rpm
expat-devel-2.1.0-14.el7_9.s390x.rpm
x86_64:
expat-2.1.0-14.el7_9.i686.rpm
expat-2.1.0-14.el7_9.x86_64.rpm
expat-debuginfo-2.1.0-14.el7_9.i686.rpm
expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm
expat-devel-2.1.0-14.el7_9.i686.rpm
expat-devel-2.1.0-14.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
expat-debuginfo-2.1.0-14.el7_9.ppc.rpm
expat-debuginfo-2.1.0-14.el7_9.ppc64.rpm
expat-static-2.1.0-14.el7_9.ppc.rpm
expat-static-2.1.0-14.el7_9.ppc64.rpm
ppc64le:
expat-debuginfo-2.1.0-14.el7_9.ppc64le.rpm
expat-static-2.1.0-14.el7_9.ppc64le.rpm
s390x:
expat-debuginfo-2.1.0-14.el7_9.s390.rpm
expat-debuginfo-2.1.0-14.el7_9.s390x.rpm
expat-static-2.1.0-14.el7_9.s390.rpm
expat-static-2.1.0-14.el7_9.s390x.rpm
x86_64:
expat-debuginfo-2.1.0-14.el7_9.i686.rpm
expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm
expat-static-2.1.0-14.el7_9.i686.rpm
expat-static-2.1.0-14.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
expat-2.1.0-14.el7_9.src.rpm
x86_64:
expat-2.1.0-14.el7_9.i686.rpm
expat-2.1.0-14.el7_9.x86_64.rpm
expat-debuginfo-2.1.0-14.el7_9.i686.rpm
expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm
expat-devel-2.1.0-14.el7_9.i686.rpm
expat-devel-2.1.0-14.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
expat-debuginfo-2.1.0-14.el7_9.i686.rpm
expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm
expat-static-2.1.0-14.el7_9.i686.rpm
expat-static-2.1.0-14.el7_9.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-2021-45960
https://access.redhat.com/security/cve/CVE-2021-46143
https://access.redhat.com/security/cve/CVE-2022-22822
https://access.redhat.com/security/cve/CVE-2022-22823
https://access.redhat.com/security/cve/CVE-2022-22824
https://access.redhat.com/security/cve/CVE-2022-22825
https://access.redhat.com/security/cve/CVE-2022-22826
https://access.redhat.com/security/cve/CVE-2022-22827
https://access.redhat.com/security/cve/CVE-2022-23852
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 . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2022 Red Hat, Inc.
