CVE-2018-1071 zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.
MediumCVSS 5.5
EPSS 0.43%
- Published
- Updated
- Exploit status
- No public exploit known
Description
zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/zsh(Debian:12) | < 5.4.2-4 | 5.4.2-4 |
| debian/zsh(Debian:13) | < 5.4.2-4 | 5.4.2-4 |
| debian/zsh(Debian:14) | < 5.4.2-4 | 5.4.2-4 |
| zsh | <= 5.4.2 | No fix listed |
| debian linux | = 7.0 | No fix listed |
| Canonical Ubuntu Linux | = 14.04 | No fix listed |
| Canonical Ubuntu Linux | = 16.04 | No fix listed |
| Canonical Ubuntu Linux | = 17.10 | No fix listed |
| redhat enterprise linux desktop | = 7.0 | No fix listed |
| redhat enterprise linux server | = 7.0 | No fix listed |
| redhat enterprise linux workstation | = 7.0 | No fix listed |
| alpine/zsh(Alpine:v3.10) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.11) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.12) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.13) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.14) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.15) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.16) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.17) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.18) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.19) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.20) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.21) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.22) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.23) | < 5.4.2-r1 | 5.4.2-r1 |
Show 8 more
| Product | Affected versions | Fixed in |
|---|---|---|
| alpine/zsh(Alpine:v3.24) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.4) | < 5.2-r2 | 5.2-r2 |
| alpine/zsh(Alpine:v3.5) | < 5.2-r4 | 5.2-r4 |
| alpine/zsh(Alpine:v3.6) | < 5.3.1-r1 | 5.3.1-r1 |
| alpine/zsh(Alpine:v3.7) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.8) | < 5.4.2-r1 | 5.4.2-r1 |
| alpine/zsh(Alpine:v3.9) | < 5.4.2-r1 | 5.4.2-r1 |
| zsh | = 5.4.2 | No fix listed |
References
- Debian Security Tracker CVE-2018-1071 vendor-advisory
- 103359 third-party-advisory vdb-entry
- RHSA-2018:3073 third-party-advisory vendor-advisory
- bugzilla.redhat.com issue-tracking third-party-advisory
- [debian-lts-announce] 20180331 [SECURITY] [DLA 1335-1] zsh security update mailing-list third-party-advisory
- [debian-lts-announce] 20201201 [SECURITY] [DLA 2470-1] zsh security update mailing-list
- GLSA-201805-10 third-party-advisory vendor-advisory
- USN-3608-1 third-party-advisory vendor-advisory
- security.alpinelinux.org vendor-advisory
- bugs.debian.org issue-tracking