CVE-2017-18205

Public on 2018-04-05
Modified on 2018-12-07
Description
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.
Severity
Low
CVSS v3 Base Score
2.0
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 zsh 2018-04-05 16:13 ALAS2-2018-986
Amazon Linux 1 zsh 2018-12-06 00:20 ALAS-2018-1107

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 2.0 CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L
NVD CVSSv2 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
NVD CVSSv3 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H