Zsh: Multiple vulnerabilities — GLSA 201805-10

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

Affected Packages

app-shells/zsh on all architectures
Affected versions < 5.5
Unaffected versions >= 5.5

Background

A shell designed for interactive use, although it is also a powerful scripting language.

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

Release Date
May 26, 2018

Latest Revision
May 26, 2018: 1

Severity
normal

Exploitable
local

Bugzilla entries