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libgdata: Man-in-the-Middle attack


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201208-06 / libgdata
Release Date August 14, 2012
Latest Revision August 14, 2012: 1
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
dev-libs/libgdata < 0.8.1-r2 >= 0.8.1-r2 All supported architectures

Related bugreports: #408245


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

2.  Impact Information


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


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


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

3.  Resolution Information


There is no known workaround at this time.


All libgdata users should upgrade to the latest version:

Code Listing 3.1: Resolution

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

4.  References


Page updated August 14, 2012

Summary: This is a Gentoo Linux Security Advisory

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