Security update for python3

Announcement ID: SUSE-SU-2021:4015-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • 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-2021-3426 ( NVD ): 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2021-3733 ( SUSE ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2021-3733 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • 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
  • CVE-2021-3737 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • Basesystem Module 15-SP2
  • Development Tools Module 15-SP2
  • SUSE Linux Enterprise Desktop 15 SP2
  • SUSE Linux Enterprise High Performance Computing 15 SP2
  • SUSE Linux Enterprise Micro 5.0
  • SUSE Linux Enterprise Micro 5.1
  • SUSE Linux Enterprise Real Time 15 SP2
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2
  • SUSE Manager Proxy 4.1
  • SUSE Manager Retail Branch Server 4.1
  • SUSE Manager Server 4.1

An update that solves three vulnerabilities and has five security fixes can now be installed.

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 update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • Development Tools Module 15-SP2
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP2-2021-4015=1
  • Basesystem Module 15-SP2
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-4015=1
  • SUSE Linux Enterprise Micro 5.0
    zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-4015=1
  • SUSE Linux Enterprise Micro 5.1
    zypper in -t patch SUSE-SUSE-MicroOS-5.1-2021-4015=1

Package List:

  • Development Tools Module 15-SP2 (aarch64 ppc64le s390x x86_64)
    • python3-tools-3.6.15-3.91.3
  • Basesystem Module 15-SP2 (aarch64 ppc64le s390x x86_64)
    • python3-devel-debuginfo-3.6.15-3.91.3
    • libpython3_6m1_0-3.6.15-3.91.3
    • python3-curses-debuginfo-3.6.15-3.91.4
    • python3-base-3.6.15-3.91.3
    • libpython3_6m1_0-debuginfo-3.6.15-3.91.3
    • python3-dbm-3.6.15-3.91.4
    • python3-tk-3.6.15-3.91.4
    • python3-tk-debuginfo-3.6.15-3.91.4
    • python3-debugsource-3.6.15-3.91.4
    • python3-dbm-debuginfo-3.6.15-3.91.4
    • python3-3.6.15-3.91.4
    • python3-idle-3.6.15-3.91.4
    • python3-debuginfo-3.6.15-3.91.4
    • python3-curses-3.6.15-3.91.4
    • python3-devel-3.6.15-3.91.3
  • SUSE Linux Enterprise Micro 5.0 (aarch64 x86_64)
    • libpython3_6m1_0-3.6.15-3.91.3
    • python3-base-3.6.15-3.91.3
    • libpython3_6m1_0-debuginfo-3.6.15-3.91.3
    • python3-base-debuginfo-3.6.15-3.91.3
    • python3-debugsource-3.6.15-3.91.4
    • python3-3.6.15-3.91.4
    • python3-core-debugsource-3.6.15-3.91.3
    • python3-debuginfo-3.6.15-3.91.4
  • SUSE Linux Enterprise Micro 5.1 (aarch64 s390x x86_64)
    • libpython3_6m1_0-3.6.15-3.91.3
    • python3-base-3.6.15-3.91.3
    • libpython3_6m1_0-debuginfo-3.6.15-3.91.3
    • python3-base-debuginfo-3.6.15-3.91.3
    • python3-debugsource-3.6.15-3.91.4
    • python3-3.6.15-3.91.4
    • python3-core-debugsource-3.6.15-3.91.3
    • python3-debuginfo-3.6.15-3.91.4

References: