Pidgin: Multiple vulnerabilities
Gentoo Linux Security Advisory
||GLSA 200901-13 / pidgin
||January 20, 2009
||January 20, 2009: 01
All supported architectures
Multiple vulnerabilities have been discovered in Pidgin, allowing for
remote arbitrary code execution, Denial of Service and service spoofing.
Pidgin (formerly Gaim) is an instant messaging client for a variety of
instant messaging protocols. It is based on the libpurple instant
Multiple vulnerabilities have been discovered in Pidgin and the
A participant to the TippingPoint ZDI reported multiple integer
overflows in the msn_slplink_process_msg() function in the MSN protocol
Juan Pablo Lopez Yacubian is credited for reporting a use-after-free
flaw in msn_slplink_process_msg() in the MSN protocol implementation
The included UPnP server does not limit the size of data to be
downloaded for UPnP service discovery, according to a report by Andrew
Hunt and Christian Grothoff (CVE-2008-2957).
Josh Triplett discovered that the NSS plugin for libpurple does not
properly verify SSL certificates (CVE-2008-3532).
A remote attacker could send specially crafted messages or files using
the MSN protocol which could result in the execution of arbitrary code
or crash Pidgin. NOTE: Successful exploitation might require the
victim's interaction. Furthermore, an attacker could conduct
man-in-the-middle attacks to obtain sensitive information using bad
certificates and cause memory and disk resources to exhaust.
There is no known workaround at this time.
All Pidgin users should upgrade to the latest version:
Code Listing 3.1: Resolution
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-im/pidgin-2.5.1"