SUSE-SU-2021:2145-1: moderate: Security update for libsolv

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

   SUSE Security Update: Security update for libsolv
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:2145-1
Rating:             moderate
References:         #1161510 #1186229 SLE-17973 
Cross-References:   CVE-2019-20387 CVE-2021-3200
CVSS scores:
                    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-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-2021-3200 (NVD) : 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
                    CVE-2021-3200 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise Server 12-SP2-BCL
______________________________________________________________________________

   An update that fixes two vulnerabilities, contains one
   feature is now available.

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


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 Linux Enterprise Server 12-SP2-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2021-2145=1



Package List:

   - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):

      libsolv-debugsource-0.6.37-2.27.24.1
      libsolv-devel-0.6.37-2.27.24.1
      libsolv-tools-0.6.37-2.27.24.1
      libsolv-tools-debuginfo-0.6.37-2.27.24.1
      libzypp-16.21.4-27.75.1
      libzypp-debuginfo-16.21.4-27.75.1
      libzypp-debugsource-16.21.4-27.75.1
      libzypp-devel-16.21.4-27.75.1
      perl-solv-0.6.37-2.27.24.1
      perl-solv-debuginfo-0.6.37-2.27.24.1
      python-solv-0.6.37-2.27.24.1
      python-solv-debuginfo-0.6.37-2.27.24.1


References:

   https://www.suse.com/security/cve/CVE-2019-20387.html
   https://www.suse.com/security/cve/CVE-2021-3200.html
   https://bugzilla.suse.com/1161510
   https://bugzilla.suse.com/1186229