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AUSCERT External Security Bulletin Redistribution
ESB-2018.2714
SUSE Security Update: Security update for zsh
12 September 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: zsh
Publisher: SUSE
Operating System: SUSE
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-13259 CVE-2018-0502
Original Bulletin:
https://www.suse.com/support/update/announcement/2018/suse-su-20182686-1/
Comment: This advisory references vulnerabilities in products which run on
platforms other than SUSE. It is recommended that administrators
running zsh check for an updated version of the software for their
operating system.
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SUSE Security Update: Security update for zsh
______________________________________________________________________________
Announcement ID: SUSE-SU-2018:2686-1
Rating: important
References: #1107294 #1107296
Cross-References: CVE-2018-0502 CVE-2018-13259
Affected Products:
SUSE Linux Enterprise Module for Basesystem 15
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for zsh to version 5.6 fixes the following security issues:
- CVE-2018-0502: The beginning of a #! script file was mishandled,
potentially leading to an execve call to a program named on the second
line (bsc#1107296).
- CVE-2018-13259: Shebang lines exceeding 64 characters were truncated,
potentially leading to an execve call to a program name that is a
substring of the intended one (bsc#1107294).
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 Module for Basesystem 15:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-1880=1
Package List:
- SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64):
zsh-5.6-3.6.1
zsh-debuginfo-5.6-3.6.1
zsh-debugsource-5.6-3.6.1
References:
https://www.suse.com/security/cve/CVE-2018-0502.html
https://www.suse.com/security/cve/CVE-2018-13259.html
https://bugzilla.suse.com/1107294
https://bugzilla.suse.com/1107296
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