Upstream information

CVE-2018-1100 at MITRE

Description

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user.

SUSE information

Overall state of this security issue: Running

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 7.2
Vector AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.8 7.5
Vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Access Vector Local Local
Access Complexity Low High
Privileges Required Low Low
User Interaction None Required
Scope Unchanged Changed
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
SUSE Bugzilla entry: 1089030 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Module for Basesystem 15
  • zsh >= 5.5-3.3.15
Patchnames:
SUSE-SLE-Module-Basesystem-15-2018-1268
SUSE Linux Enterprise Server 11 SP4
  • zsh >= 4.3.6-67.9.3.1
Patchnames:
slessp4-zsh-13567
SUSE Linux Enterprise Server for SAP Applications 11 SP4
  • zsh >= 4.3.6-67.9.3.1
Patchnames:
slessp4-zsh-13567
openSUSE Leap 15.0
  • zsh >= 5.5-lp150.2.3.1
  • zsh-debuginfo >= 5.5-lp150.2.3.1
  • zsh-debugsource >= 5.5-lp150.2.3.1
  • zsh-htmldoc >= 5.5-lp150.2.3.1
Patchnames:
openSUSE-2018-699


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise Desktop 12 SP2 zsh Unsupported
SUSE Linux Enterprise Desktop 12 SP3 zsh Affected
SUSE Linux Enterprise Module for Basesystem 15 GA zsh Released
SUSE Linux Enterprise Server 11 SP3 LTSS zsh Affected
SUSE Linux Enterprise Server 11 SP4 zsh Released
SUSE Linux Enterprise Server 12 GA LTSS zsh Affected
SUSE Linux Enterprise Server 12 SP1 LTSS zsh Affected
SUSE Linux Enterprise Server 12 SP2 zsh Unsupported
SUSE Linux Enterprise Server 12 SP2 LTSS zsh Affected
SUSE Linux Enterprise Server 12 SP3 zsh Affected