Improper Input Validation Affecting zsh package, versions <0:5.0.2-33.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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-RHEL7-ZSH-4933440
- published26 Jul 2021
- disclosed4 Sept 2018
Introduced: 4 Sep 2018
CVE-2018-13259 (opens in a new tab)How to fix?
Upgrade RHEL:7 zsh to version 0:5.0.2-33.el7 or higher.
This issue was patched in RHSA-2019:2017.
NVD Description
Note: Versions mentioned in the description apply only to the upstream zsh package and not the zsh package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
An issue was discovered in zsh before 5.6. Shebang lines exceeding 64 characters were truncated, potentially leading to an execve call to a program name that is a substring of the intended one.
References
- https://access.redhat.com/security/cve/CVE-2018-13259
- https://security.gentoo.org/glsa/201903-02
- https://bugs.debian.org/908000
- https://sourceforge.net/p/zsh/code/ci/1c4c7b6a4d17294df028322b70c53803a402233d
- https://www.zsh.org/mla/zsh-announce/136
- https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
- https://access.redhat.com/errata/RHSA-2019:2017
- https://usn.ubuntu.com/3764-1/