Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 72.6%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 6.8
References
- https://access.redhat.com/errata/RHSA-2018:3073
- https://security.gentoo.org/glsa/201805-10
- https://sourceforge.net/p/zsh/code/ci/eb783754bdb74377f3cea4ceca9c23a02ea1bf58
- 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
- https://usn.ubuntu.com/3593-1/
Products affected by CVE-2017-18205
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cpe:2.3:a:zsh_project:zsh:*