SUSE Security Update: Security update for python3
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:4015-1
Rating:             moderate
References:         #1180125 #1183374 #1183858 #1185588 #1187338 
                    #1187668 #1189241 #1189287 
Cross-References:   CVE-2021-3426 CVE-2021-3733 CVE-2021-3737
                   
CVSS scores:
                    CVE-2021-3426 (NVD) : 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
                    CVE-2021-3426 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
                    CVE-2021-3733 (SUSE): 4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
                    CVE-2021-3737 (SUSE): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Products:
                    SUSE MicroOS 5.1
                    SUSE MicroOS 5.0
                    SUSE Linux Enterprise Module for Development Tools 15-SP2
                    SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________

   An update that solves three vulnerabilities and has 5 fixes
   is now available.

Description:

   This update for python3 fixes the following issues:


   - CVE-2021-3737: Fixed http client infinite line reading (DoS) after a
     http 100. (bsc#1189241)
   - CVE-2021-3733: Fixed ReDoS in urllib.request. (bsc#1189287)
   - CVE-2021-3426: Fixed an information disclosure via pydoc. (bsc#1183374)

   - Rebuild to get new headers, avoid building in support for stropts.h
     (bsc#1187338).


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 MicroOS 5.1:

      zypper in -t patch SUSE-SUSE-MicroOS-5.1-2021-4015=1

   - SUSE MicroOS 5.0:

      zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-4015=1

   - SUSE Linux Enterprise Module for Development Tools 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP2-2021-4015=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-4015=1



Package List:

   - SUSE MicroOS 5.1 (aarch64 s390x x86_64):

      libpython3_6m1_0-3.6.15-3.91.3
      libpython3_6m1_0-debuginfo-3.6.15-3.91.3
      python3-3.6.15-3.91.4
      python3-base-3.6.15-3.91.3
      python3-base-debuginfo-3.6.15-3.91.3
      python3-core-debugsource-3.6.15-3.91.3
      python3-debuginfo-3.6.15-3.91.4
      python3-debugsource-3.6.15-3.91.4

   - SUSE MicroOS 5.0 (aarch64 x86_64):

      libpython3_6m1_0-3.6.15-3.91.3
      libpython3_6m1_0-debuginfo-3.6.15-3.91.3
      python3-3.6.15-3.91.4
      python3-base-3.6.15-3.91.3
      python3-base-debuginfo-3.6.15-3.91.3
      python3-core-debugsource-3.6.15-3.91.3
      python3-debuginfo-3.6.15-3.91.4
      python3-debugsource-3.6.15-3.91.4

   - SUSE Linux Enterprise Module for Development Tools 15-SP2 (aarch64 ppc64le s390x x86_64):

      python3-tools-3.6.15-3.91.3

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x x86_64):

      libpython3_6m1_0-3.6.15-3.91.3
      libpython3_6m1_0-debuginfo-3.6.15-3.91.3
      python3-3.6.15-3.91.4
      python3-base-3.6.15-3.91.3
      python3-curses-3.6.15-3.91.4
      python3-curses-debuginfo-3.6.15-3.91.4
      python3-dbm-3.6.15-3.91.4
      python3-dbm-debuginfo-3.6.15-3.91.4
      python3-debuginfo-3.6.15-3.91.4
      python3-debugsource-3.6.15-3.91.4
      python3-devel-3.6.15-3.91.3
      python3-devel-debuginfo-3.6.15-3.91.3
      python3-idle-3.6.15-3.91.4
      python3-tk-3.6.15-3.91.4
      python3-tk-debuginfo-3.6.15-3.91.4


References:

   https://www.suse.com/security/cve/CVE-2021-3426.html
   https://www.suse.com/security/cve/CVE-2021-3733.html
   https://www.suse.com/security/cve/CVE-2021-3737.html
   https://bugzilla.suse.com/1180125
   https://bugzilla.suse.com/1183374
   https://bugzilla.suse.com/1183858
   https://bugzilla.suse.com/1185588
   https://bugzilla.suse.com/1187338
   https://bugzilla.suse.com/1187668
   https://bugzilla.suse.com/1189241
   https://bugzilla.suse.com/1189287