Public Date:
1549862: CVE-2017-18205 zsh: NULL dereference in cd in sh compatibility mode under given circumstances
A NULL pointer dereference flaw was found in the code responsible for the cd builtin command of the zsh package. An attacker could use this flaw to cause a denial of service by crashing the user shell.

Find out more about CVE-2017-18205 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 2
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required High
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (zsh) RHSA-2018:3073 2018-10-30

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 zsh Not affected
Red Hat Enterprise Linux 6 zsh Will not fix
Red Hat Enterprise Linux 5 zsh Will not fix
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.
Last Modified