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AUSCERT External Security Bulletin Redistribution
ESB-2022.1105
Security update for zsh
16 March 2022
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: zsh
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2019-20044 CVE-2018-13259 CVE-2018-7549
CVE-2018-1083 CVE-2018-1071 CVE-2018-0502
CVE-2017-18206 CVE-2017-18205 CVE-2016-10714
CVE-2014-10072 CVE-2014-10071 CVE-2014-10070
Original Bulletin:
https://www.suse.com/support/update/announcement/2022/suse-su-202214910-1
Comment: CVSS (Max): 8.6 CVE-2014-10070 (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
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SUSE Security Update: Security update for zsh
______________________________________________________________________________
Announcement ID: SUSE-SU-2022:14910-1
Rating: important
References: #1082885 #1082975 #1082977 #1082991 #1082998 #1083002
#1083250 #1084656 #1087026 #1107294 #1107296 #1163882
Cross-References: CVE-2014-10070 CVE-2014-10071 CVE-2014-10072 CVE-2016-10714
CVE-2017-18205 CVE-2017-18206 CVE-2018-0502 CVE-2018-1071
CVE-2018-1083 CVE-2018-13259 CVE-2018-7549 CVE-2019-20044
Affected Products:
SUSE Linux Enterprise Debuginfo 11-SP3
SUSE Linux Enterprise Debuginfo 11-SP4
SUSE Linux Enterprise Point of Sale 11-SP3
SUSE Linux Enterprise Server 11-SP4-LTSS
______________________________________________________________________________
An update that fixes 12 vulnerabilities is now available.
Description:
This update for zsh fixes the following issues:
o CVE-2019-20044: Fixed an insecure dropping of privileges when unsetting the
PRIVILEGED option (bsc#1163882).
o CVE-2018-13259: Fixed an unexpected truncation of long shebang lines (bsc#
1107294).
o CVE-2018-7549: Fixed a crash when an empty hash table (bsc#1082991).
o CVE-2018-1083: Fixed a stack-based buffer overflow when using tab
completion on directories with long names (bsc#1087026).
o CVE-2018-1071: Fixed a stack-based buffer overflow when executing certain
commands (bsc#1084656).
o CVE-2018-0502: Fixed a mishandling of shebang lines (bsc#1107296).
o CVE-2017-18206: Fixed a buffer overflow related to symlink processing (bsc#
1083002).
o CVE-2017-18205: Fixed an application crash when using cd with no arguments
(bsc#1082998).
o CVE-2016-10714: Fixed a potential application crash when handling maximum
length paths (bsc#1083250).
o CVE-2014-10072: Fixed a buffer overflow when scanning very long directory
paths for symbolic links (bsc#1082975).
o CVE-2014-10071: Fixed a buffer overflow when redirecting output to a long
file descriptor (bsc#1082977).
o CVE-2014-10070: Fixed a privilege escalation vulnerability via environment
variables (bsc#1082885).
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 11-SP4-LTSS:
zypper in -t patch slessp4-zsh-14910=1
o SUSE Linux Enterprise Point of Sale 11-SP3:
zypper in -t patch sleposp3-zsh-14910=1
o SUSE Linux Enterprise Debuginfo 11-SP4:
zypper in -t patch dbgsp4-zsh-14910=1
o SUSE Linux Enterprise Debuginfo 11-SP3:
zypper in -t patch dbgsp3-zsh-14910=1
Package List:
o SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):
zsh-4.3.6-67.9.8.1
o SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
zsh-4.3.6-67.9.8.1
o SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):
zsh-debuginfo-4.3.6-67.9.8.1
zsh-debugsource-4.3.6-67.9.8.1
o SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):
zsh-debuginfo-4.3.6-67.9.8.1
zsh-debugsource-4.3.6-67.9.8.1
References:
o https://www.suse.com/security/cve/CVE-2014-10070.html
o https://www.suse.com/security/cve/CVE-2014-10071.html
o https://www.suse.com/security/cve/CVE-2014-10072.html
o https://www.suse.com/security/cve/CVE-2016-10714.html
o https://www.suse.com/security/cve/CVE-2017-18205.html
o https://www.suse.com/security/cve/CVE-2017-18206.html
o https://www.suse.com/security/cve/CVE-2018-0502.html
o https://www.suse.com/security/cve/CVE-2018-1071.html
o https://www.suse.com/security/cve/CVE-2018-1083.html
o https://www.suse.com/security/cve/CVE-2018-13259.html
o https://www.suse.com/security/cve/CVE-2018-7549.html
o https://www.suse.com/security/cve/CVE-2019-20044.html
o https://bugzilla.suse.com/1082885
o https://bugzilla.suse.com/1082975
o https://bugzilla.suse.com/1082977
o https://bugzilla.suse.com/1082991
o https://bugzilla.suse.com/1082998
o https://bugzilla.suse.com/1083002
o https://bugzilla.suse.com/1083250
o https://bugzilla.suse.com/1084656
o https://bugzilla.suse.com/1087026
o https://bugzilla.suse.com/1107294
o https://bugzilla.suse.com/1107296
o https://bugzilla.suse.com/1163882
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