SUSE-SU-2021:2280-1: moderate: Security update for permissions

[sle-updates at lists.suse.com]

   SUSE Security Update: Security update for permissions
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:2280-1
Rating:             moderate
References:         #1047247 #1050467 #1093414 #1097665 #1123886 
                    #1150734 #1155939 #1157198 #1160594 #1160764 
                    #1161779 #1163922 #1171883 #1182899 
Cross-References:   CVE-2019-3688 CVE-2019-3690 CVE-2020-8013
                   
CVSS scores:
                    CVE-2019-3688 (NVD) : 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
                    CVE-2019-3688 (SUSE): 5.1 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
                    CVE-2019-3690 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2019-3690 (SUSE): 6.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
                    CVE-2020-8013 (NVD) : 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
                    CVE-2020-8013 (SUSE): 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Affected Products:
                    SUSE Linux Enterprise Server 12-SP5
______________________________________________________________________________

   An update that solves three vulnerabilities and has 11
   fixes is now available.

Description:

   This update for permissions fixes the following issues:

   - Fork package for 12-SP5 (bsc#1155939)
   - make btmp root:utmp (bsc#1050467, bsc#1182899)
   - pcp: remove no longer needed / conflicting entries (bsc#1171883). Fixes
     a potential security issue.
   - do not follow symlinks that are the final path element (CVE-2020-8013,
     bsc#1163922)
   - fix handling of relative directory symlinks in chkstat
   - whitelist postgres sticky directories (bsc#1123886)
   - fix regression where chkstat breaks without /proc available
     (bsc#1160764, bsc#1160594)
   - fix capability handling when doing multiple permission changes at once
     (bsc#1161779,
   - fix invalid free() when permfiles points to argv (bsc#1157198)
   - the eror should be reported for permfiles[i], not argv[i], as these are
     not the same files. (bsc#1047247, bsc#1097665)
   - fix /usr/sbin/pinger ownership to root:squid (bsc#1093414, CVE-2019-3688)
   - fix privilege escalation through untrusted symlinks (bsc#1150734,
     CVE-2019-3690)


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-SP5:

      zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-2280=1



Package List:

   - SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):

      permissions-20170707-6.4.1
      permissions-debuginfo-20170707-6.4.1
      permissions-debugsource-20170707-6.4.1


References:

   https://www.suse.com/security/cve/CVE-2019-3688.html
   https://www.suse.com/security/cve/CVE-2019-3690.html
   https://www.suse.com/security/cve/CVE-2020-8013.html
   https://bugzilla.suse.com/1047247
   https://bugzilla.suse.com/1050467
   https://bugzilla.suse.com/1093414
   https://bugzilla.suse.com/1097665
   https://bugzilla.suse.com/1123886
   https://bugzilla.suse.com/1150734
   https://bugzilla.suse.com/1155939
   https://bugzilla.suse.com/1157198
   https://bugzilla.suse.com/1160594
   https://bugzilla.suse.com/1160764
   https://bugzilla.suse.com/1161779
   https://bugzilla.suse.com/1163922
   https://bugzilla.suse.com/1171883
   https://bugzilla.suse.com/1182899