GLSA 201208-06: libgdata: Man-in-the-Middle attack

http://security.gentoo.org/

Severity:	normal
Title:	libgdata: Man-in-the-Middle attack
Date:	08/14/2012
Bugs:	#408245
ID:	201208-06

Synopsis

A vulnerability in libgdata could allow remote attackers to perform man-in-the-middle attacks.

Background

libgdata is a GLib-based library for accessing online service APIs using the GData protocol.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-libs/libgdata	< 0.8.1-r2	>= 0.8.1-r2	All supported architectures

Description

An error in the "_gdata_service_build_session()" function of gdata-service.c prevents libgdata from properly validating certificates.

Impact

A remote attacker could perform man-in-the-middle attacks to spoof arbitrary SSL servers via a crafted certificate.

Workaround

There is no known workaround at this time.

Resolution

All libgdata users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-libs/libgdata-0.8.1-r2"

References

CVE-2012-1177

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201208-06.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.