GLSA 201412-02: nfs-utils: Information disclosure

http://security.gentoo.org/

Severity:	normal
Title:	nfs-utils: Information disclosure
Date:	12/08/2014
Bugs:	#464636
ID:	201412-02

Synopsis

A vulnerability in nfs-utils might allow remote attackers to gain access to restricted information.

Background

nfs-utils contains the client and daemon implementations for the NFS protocol.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-fs/nfs-utils	< 1.2.8	>= 1.2.8	All supported architectures

Description

rpc.gssd in nfs-utils is vulnerable to DNS spoofing due to it depending on PTR resolution for GSSAPI authentication, allowing for data to be submitted to a malicious server without the knowledge of the user.

Impact

A remote attacker may be able to obtain sensitive information.

Workaround

There is no known workaround at this time.

Resolution

All nfs-utils users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-fs/nfs-utils-1.2.8"

References

CVE-2013-1923

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201412-02.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.