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AUSCERT External Security Bulletin Redistribution
ESB-2018.1275
Security update for zsh
26 April 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: zsh
Publisher: SUSE
Operating System: SUSE
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Increased Privileges -- Existing Account
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-7549 CVE-2018-1083 CVE-2018-1071
CVE-2017-18206 CVE-2017-18205 CVE-2016-10714
CVE-2014-10072 CVE-2014-10071 CVE-2014-10070
Reference: ESB-2018.0950
ESB-2018.0934.2
ESB-2018.0691
Original Bulletin:
https://www.suse.com/support/update/announcement/2018/suse-su-20181072-1/
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SUSE Security Update: Security update for zsh
______________________________________________________________________________
Announcement ID: SUSE-SU-2018:1072-1
Rating: important
References: #1082885 #1082975 #1082977 #1082991 #1082998
#1083002 #1083250 #1084656 #1087026 #896914
Cross-References: CVE-2014-10070 CVE-2014-10071 CVE-2014-10072
CVE-2016-10714 CVE-2017-18205 CVE-2017-18206
CVE-2018-1071 CVE-2018-1083 CVE-2018-7549
Affected Products:
SUSE Linux Enterprise Server 12-SP3
SUSE Linux Enterprise Desktop 12-SP3
______________________________________________________________________________
An update that solves 9 vulnerabilities and has one errata
is now available.
Description:
This update for zsh fixes the following issues:
- CVE-2014-10070: environment variable injection could lead to local
privilege escalation (bnc#1082885)
- CVE-2014-10071: buffer overflow in exec.c could lead to denial of
service. (bnc#1082977)
- CVE-2014-10072: buffer overflow In utils.c when scanning very long
directory paths for symbolic links. (bnc#1082975)
- CVE-2016-10714: In zsh before 5.3, an off-by-one error resulted in
undersized buffers that were intended to support PATH_MAX characters.
(bnc#1083250)
- CVE-2017-18205: In builtin.c when sh compatibility mode is used, a
NULL pointer dereference could lead to denial of service (bnc#1082998)
- CVE-2018-1071: exec.c:hashcmd() function vulnerability could lead to
denial of service. (bnc#1084656)
- CVE-2018-1083: Autocomplete vulnerability could lead to privilege
escalation. (bnc#1087026)
- CVE-2018-7549: In params.c in zsh through 5.4.2, there is a crash
during a copy of an empty hash table, as demonstrated by typeset -p.
(bnc#1082991)
- CVE-2017-18206: buffer overrun in xsymlinks could lead to denial of
service (bnc#1083002)
- Autocomplete and REPORTTIME broken (bsc#896914)
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-SP3:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-733=1
- SUSE Linux Enterprise Desktop 12-SP3:
zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-733=1
Package List:
- SUSE Linux Enterprise Server 12-SP3 (aarch64 ppc64le s390x x86_64):
zsh-5.0.5-6.7.2
zsh-debuginfo-5.0.5-6.7.2
zsh-debugsource-5.0.5-6.7.2
- SUSE Linux Enterprise Desktop 12-SP3 (x86_64):
zsh-5.0.5-6.7.2
zsh-debuginfo-5.0.5-6.7.2
zsh-debugsource-5.0.5-6.7.2
References:
https://www.suse.com/security/cve/CVE-2014-10070.html
https://www.suse.com/security/cve/CVE-2014-10071.html
https://www.suse.com/security/cve/CVE-2014-10072.html
https://www.suse.com/security/cve/CVE-2016-10714.html
https://www.suse.com/security/cve/CVE-2017-18205.html
https://www.suse.com/security/cve/CVE-2017-18206.html
https://www.suse.com/security/cve/CVE-2018-1071.html
https://www.suse.com/security/cve/CVE-2018-1083.html
https://www.suse.com/security/cve/CVE-2018-7549.html
https://bugzilla.suse.com/1082885
https://bugzilla.suse.com/1082975
https://bugzilla.suse.com/1082977
https://bugzilla.suse.com/1082991
https://bugzilla.suse.com/1082998
https://bugzilla.suse.com/1083002
https://bugzilla.suse.com/1083250
https://bugzilla.suse.com/1084656
https://bugzilla.suse.com/1087026
https://bugzilla.suse.com/896914
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