8.1

CVE-2017-18205

In builtin.c in zsh before 5.4, when sh compatibility mode is used, there is a NULL pointer dereference during processing of the cd command with no argument if HOME is not set.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Zsh Project ≫ Zsh Version < 5.4
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.05% 0.794
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.1 2.2 5.9
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NIST 6.8 8.6 6.4
AV:N/AC:M/Au:N/C:P/I:P/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://usn.ubuntu.com/3593-1/
https://access.redhat.com/errata/RHSA-2018:3073
https://security.gentoo.org/glsa/201805-10
https://sourceforge.net/p/zsh/code/ci/eb783754bdb74377f3cea4ceca9c23a02ea1bf58
Patch
Third Party Advisory