GLSA 201805-10: Zsh: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	Zsh: Multiple vulnerabilities
Date:	05/26/2018
Bugs:	#649614, #651860, #655708
ID:	201805-10

Synopsis

Multiple vulnerabilities have been found in Zsh, the worst of which could allow local attackers to execute arbitrary code.

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	< 5.5	>= 5.5	All supported architectures

Description

Multiple vulnerabilities have been discovered in Zsh. Please review the CVE identifiers referenced below for details.

Impact

A local attacker could execute arbitrary code, escalate privileges, or cause a Denial of Service condition.

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-5.5"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201805-10.xml

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.