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AUSCERT External Security Bulletin Redistribution
ESB-2021.2346
Security update for permissions
12 July 2021
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AusCERT Security Bulletin Summary
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Product: permissions
Publisher: SUSE
Operating System: SUSE
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-8013 CVE-2019-3690 CVE-2019-3688
Reference: ESB-2020.1588
ESB-2020.0747
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20212280-1
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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
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:
o Fork package for 12-SP5 (bsc#1155939)
o make btmp root:utmp (bsc#1050467, bsc#1182899)
o pcp: remove no longer needed / conflicting entries (bsc#1171883). Fixes a
potential security issue.
o do not follow symlinks that are the final path element (CVE-2020-8013, bsc#
1163922)
o fix handling of relative directory symlinks in chkstat
o whitelist postgres sticky directories (bsc#1123886)
o fix regression where chkstat breaks without /proc available (bsc#1160764,
bsc#1160594)
o fix capability handling when doing multiple permission changes at once (bsc
#1161779,
o fix invalid free() when permfiles points to argv (bsc#1157198)
o the eror should be reported for permfiles[i], not argv[i], as these are not
the same files. (bsc#1047247, bsc#1097665)
o fix /usr/sbin/pinger ownership to root:squid (bsc#1093414, CVE-2019-3688)
o 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:
o SUSE Linux Enterprise Server 12-SP5:
zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-2280=1
Package List:
o 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:
o https://www.suse.com/security/cve/CVE-2019-3688.html
o https://www.suse.com/security/cve/CVE-2019-3690.html
o https://www.suse.com/security/cve/CVE-2020-8013.html
o https://bugzilla.suse.com/1047247
o https://bugzilla.suse.com/1050467
o https://bugzilla.suse.com/1093414
o https://bugzilla.suse.com/1097665
o https://bugzilla.suse.com/1123886
o https://bugzilla.suse.com/1150734
o https://bugzilla.suse.com/1155939
o https://bugzilla.suse.com/1157198
o https://bugzilla.suse.com/1160594
o https://bugzilla.suse.com/1160764
o https://bugzilla.suse.com/1161779
o https://bugzilla.suse.com/1163922
o https://bugzilla.suse.com/1171883
o https://bugzilla.suse.com/1182899
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