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AUSCERT External Security Bulletin Redistribution
ESB-2021.2067
Security update for libxml2
10 June 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: libxml2
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-3541
Reference: ESB-2021.1849
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20211917-1
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SUSE Security Update: Security update for libxml2
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:1917-1
Rating: moderate
References: #1186015
Cross-References: CVE-2021-3541
Affected Products:
SUSE MicroOS 5.0
SUSE Linux Enterprise Module for Python2 15-SP3
SUSE Linux Enterprise Module for Python2 15-SP2
SUSE Linux Enterprise Module for Basesystem 15-SP3
SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________
An update that fixes one vulnerability is now available.
Description:
This update for libxml2 fixes the following issues:
o CVE-2021-3541: Fixed exponential entity expansion attack bypasses all
existing protection mechanisms. (bsc#1186015)
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE MicroOS 5.0:
zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-1917=1
o SUSE Linux Enterprise Module for Python2 15-SP3:
zypper in -t patch SUSE-SLE-Module-Python2-15-SP3-2021-1917=1
o SUSE Linux Enterprise Module for Python2 15-SP2:
zypper in -t patch SUSE-SLE-Module-Python2-15-SP2-2021-1917=1
o SUSE Linux Enterprise Module for Basesystem 15-SP3:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-1917=1
o SUSE Linux Enterprise Module for Basesystem 15-SP2:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-1917=1
Package List:
o SUSE MicroOS 5.0 (aarch64 x86_64):
libxml2-2-2.9.7-3.37.1
libxml2-2-debuginfo-2.9.7-3.37.1
libxml2-debugsource-2.9.7-3.37.1
libxml2-tools-2.9.7-3.37.1
libxml2-tools-debuginfo-2.9.7-3.37.1
o SUSE Linux Enterprise Module for Python2 15-SP3 (aarch64 ppc64le s390x
x86_64):
python-libxml2-python-debugsource-2.9.7-3.37.1
python2-libxml2-python-2.9.7-3.37.1
python2-libxml2-python-debuginfo-2.9.7-3.37.1
o SUSE Linux Enterprise Module for Python2 15-SP2 (aarch64 ppc64le s390x
x86_64):
python-libxml2-python-debugsource-2.9.7-3.37.1
python2-libxml2-python-2.9.7-3.37.1
python2-libxml2-python-debuginfo-2.9.7-3.37.1
o SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 ppc64le s390x
x86_64):
libxml2-2-2.9.7-3.37.1
libxml2-2-debuginfo-2.9.7-3.37.1
libxml2-debugsource-2.9.7-3.37.1
libxml2-devel-2.9.7-3.37.1
libxml2-tools-2.9.7-3.37.1
libxml2-tools-debuginfo-2.9.7-3.37.1
python-libxml2-python-debugsource-2.9.7-3.37.1
python3-libxml2-python-2.9.7-3.37.1
python3-libxml2-python-debuginfo-2.9.7-3.37.1
o SUSE Linux Enterprise Module for Basesystem 15-SP3 (x86_64):
libxml2-2-32bit-2.9.7-3.37.1
libxml2-2-32bit-debuginfo-2.9.7-3.37.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x
x86_64):
libxml2-2-2.9.7-3.37.1
libxml2-2-debuginfo-2.9.7-3.37.1
libxml2-debugsource-2.9.7-3.37.1
libxml2-devel-2.9.7-3.37.1
libxml2-tools-2.9.7-3.37.1
libxml2-tools-debuginfo-2.9.7-3.37.1
python-libxml2-python-debugsource-2.9.7-3.37.1
python3-libxml2-python-2.9.7-3.37.1
python3-libxml2-python-debuginfo-2.9.7-3.37.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (x86_64):
libxml2-2-32bit-2.9.7-3.37.1
libxml2-2-32bit-debuginfo-2.9.7-3.37.1
References:
o https://www.suse.com/security/cve/CVE-2021-3541.html
o https://bugzilla.suse.com/1186015
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