Security update for zsh

Announcement ID: SUSE-SU-2018:2686-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2018-0502 ( SUSE ): 7.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
  • CVE-2018-0502 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2018-13259 ( SUSE ): 7.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
  • CVE-2018-13259 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • Basesystem Module 15
  • SUSE Linux Enterprise Desktop 15
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that solves two vulnerabilities can now be installed.

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 update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • Basesystem Module 15
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-1880=1

Package List:

  • Basesystem Module 15 (aarch64 ppc64le s390x x86_64)
    • zsh-5.6-3.6.1
    • zsh-debugsource-5.6-3.6.1
    • zsh-debuginfo-5.6-3.6.1

References: