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.
HighCVSS 8.1
EPSS 2.0%
- Published
- Updated
- Exploit status
- No public exploit known
Description
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/zsh(Debian:12) | < 5.4.1-1 | 5.4.1-1 |
| debian/zsh(Debian:13) | < 5.4.1-1 | 5.4.1-1 |
| debian/zsh(Debian:14) | < 5.4.1-1 | 5.4.1-1 |
| zsh project zsh | < 5.4 | 5.4 |
References
- Debian Security Tracker CVE-2017-18205 vendor-advisory
- RHSA-2018:3073 vendor-advisory
- GLSA-201805-10 vendor-advisory
- sourceforge.net patch third-party-advisory
- USN-3593-1 vendor-advisory