Buffer Overflow Affecting zsh-html package, versions <0:5.0.2-31.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.
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Test your applications- Snyk IDSNYK-RHEL7-ZSHHTML-4800118
- published26 Jul 2021
- disclosed26 Mar 2018
Introduced: 26 Mar 2018
CVE-2018-1083 (opens in a new tab)How to fix?
Upgrade RHEL:7 zsh-html to version 0:5.0.2-31.el7 or higher.
This issue was patched in RHSA-2018:3073.
NVD Description
Note: Versions mentioned in the description apply only to the upstream zsh-html package and not the zsh-html package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
Zsh before version 5.4.2-test-1 is vulnerable to a buffer overflow in the shell autocomplete functionality. A local unprivileged user can create a specially crafted directory path which leads to code execution in the context of the user who tries to use autocomplete to traverse the before mentioned path. If the user affected is privileged, this leads to privilege escalation.
References
- http://www.securityfocus.com/bid/103572
- https://bugzilla.redhat.com/show_bug.cgi?id=1557382
- https://sourceforge.net/p/zsh/code/ci/259ac472eac291c8c103c7a0d8a4eaf3c2942ed7
- https://access.redhat.com/security/cve/CVE-2018-1083
- https://security.gentoo.org/glsa/201805-10
- https://lists.debian.org/debian-lts-announce/2018/03/msg00038.html
- https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
- https://access.redhat.com/errata/RHSA-2018:3073
- https://usn.ubuntu.com/3608-1/