CVE-2017-18205
Public on 2018-02-27
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
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | zsh | 2018-12-06 | ALAS-2018-1107 | Fixed |
| Amazon Linux 2 - Core | zsh | 2018-04-05 | ALAS2-2018-986 | Fixed |
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 |