Security update for zsh

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: