CVE-2018-1100
zsh: zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function
CVE-2018-1100 is fixed in 3 products on 1 platform, first by zsh 5.4.2-3ubuntu3.1, released September 4, 2018. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0053
45th percentile
zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| zsh · Ubuntu 18.04.6 LTS (bionic) | 5.4.2-3ubuntu3.1 | zsh 5.4.2-3ubuntu3.1 | Sep 4, 2018 |
| zsh-common · Ubuntu 18.04.6 LTS (bionic) | 5.4.2-3ubuntu3.1 | zsh-common 5.4.2-3ubuntu3.1 | Sep 4, 2018 |
| zsh-static · Ubuntu 18.04.6 LTS (bionic) | 5.4.2-3ubuntu3.1 | zsh-static 5.4.2-3ubuntu3.1 | Sep 4, 2018 |