Security update for python3

Announcement ID: SUSE-SU-2021:4104-1
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-SP3
  • Development Tools Module 15-SP3
  • openSUSE Leap 15.3
  • SUSE Linux Enterprise Desktop 15 SP3
  • SUSE Linux Enterprise High Performance Computing 15 SP3
  • SUSE Linux Enterprise Real Time 15 SP3
  • SUSE Linux Enterprise Server 15 SP3
  • SUSE Linux Enterprise Server 15 SP3 Business Critical Linux 15-SP3
  • SUSE Linux Enterprise Server for SAP Applications 15 SP3
  • SUSE Manager Proxy 4.2
  • SUSE Manager Retail Branch Server 4.2
  • SUSE Manager Server 4.2

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

Description:

This update for python3 fixes the following issues:

  • CVE-2021-3426: Fixed information disclosure via pydoc (bsc#1183374).
  • CVE-2021-3733: Fixed infinitely reading potential HTTP headers after a 100 Continue status response from the server (bsc#1189241).

  • CVE-2021-3737: Fixed ReDoS in urllib.request (bsc#1189287).

  • We do not require python-rpm-macros package (bsc#1180125).

  • Use versioned python-Sphinx to avoid dependency on other version of Python (bsc#1183858).
  • Stop providing "python" symbol, which means python2 currently (bsc#1185588).
  • Modify Lib/ensurepip/init.py to contain the same version numbers as are in reality the ones in the bundled wheels (bsc#1187668).

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:

  • openSUSE Leap 15.3
    zypper in -t patch SUSE-2021-4104=1
  • Basesystem Module 15-SP3
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-4104=1
  • Development Tools Module 15-SP3
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP3-2021-4104=1

Package List:

  • openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64 i586)
    • python3-debuginfo-3.6.15-10.9.1
    • python3-debugsource-3.6.15-10.9.1
    • python3-devel-debuginfo-3.6.15-10.9.1
    • python3-curses-debuginfo-3.6.15-10.9.1
    • python3-3.6.15-10.9.1
    • python3-tk-3.6.15-10.9.1
    • python3-dbm-3.6.15-10.9.1
    • python3-testsuite-3.6.15-10.9.1
    • python3-doc-3.6.15-10.9.1
    • python3-devel-3.6.15-10.9.1
    • python3-dbm-debuginfo-3.6.15-10.9.1
    • libpython3_6m1_0-debuginfo-3.6.15-10.9.1
    • python3-tk-debuginfo-3.6.15-10.9.1
    • python3-base-debuginfo-3.6.15-10.9.1
    • libpython3_6m1_0-3.6.15-10.9.1
    • python3-doc-devhelp-3.6.15-10.9.1
    • python3-testsuite-debuginfo-3.6.15-10.9.1
    • python3-tools-3.6.15-10.9.1
    • python3-curses-3.6.15-10.9.1
    • python3-idle-3.6.15-10.9.1
    • python3-core-debugsource-3.6.15-10.9.1
    • python3-base-3.6.15-10.9.1
  • openSUSE Leap 15.3 (x86_64)
    • libpython3_6m1_0-32bit-debuginfo-3.6.15-10.9.1
    • libpython3_6m1_0-32bit-3.6.15-10.9.1
  • openSUSE Leap 15.3 (aarch64_ilp32)
    • libpython3_6m1_0-64bit-debuginfo-3.6.15-10.9.1
    • libpython3_6m1_0-64bit-3.6.15-10.9.1
  • Basesystem Module 15-SP3 (aarch64 ppc64le s390x x86_64)
    • python3-debuginfo-3.6.15-10.9.1
    • python3-tk-3.6.15-10.9.1
    • python3-dbm-3.6.15-10.9.1
    • python3-tk-debuginfo-3.6.15-10.9.1
    • python3-curses-3.6.15-10.9.1
    • python3-base-debuginfo-3.6.15-10.9.1
    • python3-debugsource-3.6.15-10.9.1
    • python3-devel-3.6.15-10.9.1
    • libpython3_6m1_0-3.6.15-10.9.1
    • python3-core-debugsource-3.6.15-10.9.1
    • python3-devel-debuginfo-3.6.15-10.9.1
    • python3-curses-debuginfo-3.6.15-10.9.1
    • python3-idle-3.6.15-10.9.1
    • python3-dbm-debuginfo-3.6.15-10.9.1
    • python3-base-3.6.15-10.9.1
    • python3-3.6.15-10.9.1
    • libpython3_6m1_0-debuginfo-3.6.15-10.9.1
  • Development Tools Module 15-SP3 (aarch64 ppc64le s390x x86_64)
    • python3-tools-3.6.15-10.9.1
    • python3-core-debugsource-3.6.15-10.9.1

References: