CVE-2012-2652 Information

Description

The bdrv_open function in Qemu 1.0 does not properly handle the failure of the mkstemp function when in snapshot node which allows local users to overwrite or read arbitrary files via a symlink attack on an unspecified temporary file.

Reference

http://git.kernel.org/?p=virt/kvm/qemu-kvm.git;a=commit;h=eba25057b9a5e19d10ace2bc7716667a31297169 http://git.qemu.org/?p=qemu-stable-0.15.git;a=log http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00024.html http://secunia.com/advisories/50132 http://secunia.com/advisories/50689 http://www.debian.org/security/2012/dsa-2545 http://www.securityfocus.com/bid/53725 http://www.ubuntu.com/usn/USN-1522-1