GLSA 201706-02: Shadow: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	high
Title:	Shadow: Multiple vulnerabilities
Date:	06/06/2017
Bugs:	#610804, #620510
ID:	201706-02

Synopsis

Multiple vulnerabilities have been found in Shadow, the worst of which might allow privilege escalation.

Background

Shadow is a set of tools to deal with user accounts.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
sys-apps/shadow	< 4.4-r2	>= 4.4-r2	All supported architectures

Description

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

Impact

A local attacker could possibly cause a Denial of Service condition, gain privileges via crafted input, or SIGKILL arbitrary processes.

Workaround

There is no known workaround at this time.

Resolution

All Shadow users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=sys-apps/shadow-4.4-r2"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201706-02.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.