PRIOn knowledge basePRION:CVE-2012-4425Code injection
libgio, when used in setuid or other privileged programs in spice-gtk and possibly other products, allows local users to gain privileges and execute arbitrary code via the DBUS_SYSTEM_BUS_ADDRESS environment variable. NOTE: it could be argued that this is a vulnerability in the applications that do not cleanse environment variables, not in libgio itself.
References
permalink.gmane.org/gmane.linux.redhat.fedora.extras.cvs/853051
rhn.redhat.com/errata/RHSA-2012-1284.html
www.openwall.com/lists/oss-security/2012/09/12/6
www.openwall.com/lists/oss-security/2012/09/14/2
www.openwall.com/lists/oss-security/2012/09/17/2
www.securityfocus.com/bid/55555
www.spinics.net/lists/spice-devel/msg01940.html
bugzilla.redhat.com/show_bug.cgi?id=857283
www.exploit-db.com/exploits/21323
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