NULL pointer dereference in Zsh Project
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.
EPSS: 0.021 (79.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Zsh_project Zsh
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2017-18205?
- CVE-2017-18205 is a high-severity vulnerability in Zsh Project, classified under NULL Pointer Dereference. CVSS score: 8.1/10. Published 2018-02-27.
- How severe is CVE-2017-18205?
- High severity. CVSS v3 base score is 8.1 out of 10.