GLSA 201201-07: NX Server Free Edition, NX Node: Privilege escalation

http://security.gentoo.org/

Severity:	high
Title:	NX Server Free Edition, NX Node: Privilege escalation
Date:	01/23/2012
Bugs:	#378345
ID:	201201-07

Synopsis

An unspecified vulnerability in NX Server Free Edition and NX Node could allow local attackers to gain root privileges.

Background

NX Server Free Edition is a remote display technology by No Machine. NX Node provides the shared components for NX Server.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-misc/nxserver-freeedition	< 3.5.0.5	>= 3.5.0.5	All supported architectures
net-misc/nxnode	< 3.5.0.4	>= 3.5.0.4	All supported architectures

Description

NX Server Free Edition and NX Node use nxconfigure.sh, a setuid script containing an unspecified vulnerability.

Impact

A local attacker could gain escalated privileges.

Workaround

There is no known workaround at this time.

Resolution

All NX Server Free Edition users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose
      ">=net-misc/nxserver-freeedition-3.5.0.5"

All NX Node users should upgrade to the latest version:


      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-misc/nxnode-3.5.0.4"

NOTE: This is a legacy GLSA. Updates for all affected architectures are available since August 23, 2011. It is likely that your system is already no longer affected by this issue.

References

CVE-2011-3977

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201201-07.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.