SUSE-SU-2021:0668-1: important: Security update for python-cryptography

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for python-cryptography
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:0668-1
Rating:             important
References:         #1182066 
Cross-References:   CVE-2020-36242
CVSS scores:
                    CVE-2020-36242 (NVD) : 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
                    CVE-2020-36242 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:
                    SUSE OpenStack Cloud Crowbar 9
                    SUSE OpenStack Cloud 9
______________________________________________________________________________

   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 OpenStack Cloud Crowbar 9:

      zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-668=1

   - SUSE OpenStack Cloud 9:

      zypper in -t patch SUSE-OpenStack-Cloud-9-2021-668=1



Package List:

   - SUSE OpenStack Cloud Crowbar 9 (x86_64):

      python-cryptography-2.3.1-3.3.1
      python-cryptography-debuginfo-2.3.1-3.3.1
      python-cryptography-debugsource-2.3.1-3.3.1

   - SUSE OpenStack Cloud 9 (x86_64):

      python-cryptography-2.3.1-3.3.1
      python-cryptography-debuginfo-2.3.1-3.3.1
      python-cryptography-debugsource-2.3.1-3.3.1


References:

   https://www.suse.com/security/cve/CVE-2020-36242.html
   https://bugzilla.suse.com/1182066