Security update for python-cryptography

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:

  • 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:

  • SUSE Linux Enterprise Module for Python2 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Python2-15-SP2-2021-594=1
  • SUSE Linux Enterprise Module for Basesystem 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-594=1

Package List:

  • 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
  • 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: