Out-of-bounds Write Affecting zsh package, versions <5.4.2-r1


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.04% (6th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ALPINE320-ZSH-7012849
  • published23 May 2024
  • disclosed9 Mar 2018

Introduced: 9 Mar 2018

CVE-2018-1071  (opens in a new tab)
CWE-787  (opens in a new tab)
CWE-121  (opens in a new tab)

How to fix?

Upgrade Alpine:3.20 zsh to version 5.4.2-r1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream zsh package and not the zsh package as distributed by Alpine. See How to fix? for Alpine:3.20 relevant fixed versions and status.

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.

CVSS Scores

version 3.1