GLSA 202003-55: Zsh: Privilege escalation
| Severity: | normal |
| Title: | Zsh: Privilege escalation |
| Date: | 03/25/2020 |
| Bugs: | |
| ID: | 202003-55 |
Synopsis
A vulnerability in Zsh might allow an attacker to escalate privileges.Background
A shell designed for interactive use, although it is also a powerful scripting language.
Affected packages
| Package | Vulnerable | Unaffected | Architecture(s) |
|---|---|---|---|
| app-shells/zsh | < 5.8 | >= 5.8 | All supported architectures |
Description
It was discovered that Zsh was insecure dropping privileges when unsetting PRIVILEGED option.
Impact
An attacker could escalate privileges.
Workaround
There is no known workaround at this time.
Resolution
All Zsh users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-shells/zsh-5.8"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.