SUSE-SU-2021:2237-1: important: Security update for python-rsa

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

   SUSE Security Update: Security update for python-rsa
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:2237-1
Rating:             important
References:         #1172389 
Cross-References:   CVE-2020-13757
CVSS scores:
                    CVE-2020-13757 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
                    CVE-2020-13757 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Products:
                    SUSE OpenStack Cloud 7
                    SUSE Linux Enterprise Module for Public Cloud 12
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   An update that fixes one vulnerability is now available.

Description:

   This update for python-rsa fixes the following issues:

   - CVE-2020-13757: Proper handling of leading '\0' bytes during decryption
     of ciphertext (bsc#1172389)


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 7:

      zypper in -t patch SUSE-OpenStack-Cloud-7-2021-2237=1

   - SUSE Linux Enterprise Module for Public Cloud 12:

      zypper in -t patch SUSE-SLE-Module-Public-Cloud-12-2021-2237=1



Package List:

   - SUSE OpenStack Cloud 7 (noarch):

      python-rsa-3.1.4-12.16.1

   - SUSE Linux Enterprise Module for Public Cloud 12 (noarch):

      python-rsa-3.1.4-12.16.1


References:

   https://www.suse.com/security/cve/CVE-2020-13757.html
   https://bugzilla.suse.com/1172389