Security update for libsolv

Announcement ID: SUSE-SU-2021:2145-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2019-20387 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2019-20387 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2021-3200 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2021-3200 ( NVD ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP2
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2

An update that solves two vulnerabilities and contains one feature can now be installed.

Description:

This update for libsolv fixes the following issues:

Security issues fixed:

  • CVE-2019-20387: Fixed heap-buffer-overflow in repodata_schema2id (bsc#1161510)
  • CVE-2021-3200: testcase_read: error out if repos are added or the system is changed too late (bsc#1186229)

Other issues fixed:

  • backport support for blacklisted packages to support ptf packages and retracted patches
  • fix ruleinfo of complex dependencies returning the wrong origin
  • fix SOLVER_FLAG_FOCUS_BEST updateing packages without reason
  • fix add_complex_recommends() selecting conflicted packages in rare cases
  • fix potential segfault in resolve_jobrules
  • fix solv_zchunk decoding error if large chunks are used

Special Instructions and Notes:

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:

  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2021-2145=1

Package List:

  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
    • libsolv-debugsource-0.6.37-2.27.24.1
    • libzypp-16.21.4-27.75.1
    • libsolv-tools-debuginfo-0.6.37-2.27.24.1
    • perl-solv-0.6.37-2.27.24.1
    • python-solv-0.6.37-2.27.24.1
    • libzypp-debugsource-16.21.4-27.75.1
    • libsolv-tools-0.6.37-2.27.24.1
    • libzypp-debuginfo-16.21.4-27.75.1
    • libzypp-devel-16.21.4-27.75.1
    • libsolv-devel-0.6.37-2.27.24.1
    • python-solv-debuginfo-0.6.37-2.27.24.1
    • perl-solv-debuginfo-0.6.37-2.27.24.1

References: