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AUSCERT External Security Bulletin Redistribution
ESB-2021.0723
Security update for python-cryptography
26 February 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: python-cryptography
Publisher: SUSE
Operating System: SUSE
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-36242
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20210594-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than SUSE. It is recommended that administrators
running python-cryptography check for an updated version of the
software for their operating system.
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SUSE Security Update: Security update for python-cryptography
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0594-1
Rating: important
References: #1182066
Cross-References: CVE-2020-36242
Affected Products:
SUSE Linux Enterprise Module for Python2 15-SP2
SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________
An update that fixes one vulnerability is now available.
Description:
This update for python-cryptography fixes the following issues:
o CVE-2020-36242: Using the Fernet class to symmetrically encrypt multi
gigabyte values could result in an integer overflow and buffer overflow
(bsc#1182066).
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 Linux Enterprise Module for Python2 15-SP2:
zypper in -t patch SUSE-SLE-Module-Python2-15-SP2-2021-594=1
o SUSE Linux Enterprise Module for Basesystem 15-SP2:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-594=1
Package List:
o SUSE Linux Enterprise Module for Python2 15-SP2 (aarch64 ppc64le s390x
x86_64):
python-cryptography-debuginfo-2.8-3.6.1
python-cryptography-debugsource-2.8-3.6.1
python2-cryptography-2.8-3.6.1
python2-cryptography-debuginfo-2.8-3.6.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x
x86_64):
python-cryptography-debuginfo-2.8-3.6.1
python-cryptography-debugsource-2.8-3.6.1
python3-cryptography-2.8-3.6.1
python3-cryptography-debuginfo-2.8-3.6.1
References:
o https://www.suse.com/security/cve/CVE-2020-36242.html
o https://bugzilla.suse.com/1182066
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