CVE-2012-2652

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CVE-2012-2652

Summary:

Details: 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.

References: http://secunia.com/advisories/50132, http://secunia.com/advisories/50689, http://www.debian.org/security/2012/dsa-2545, http://www.ubuntu.com/usn/USN-1522-1, http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=eba25057b9a5e19d10ace2bc7716667a31297169, http://git.qemu.org/?p=qemu-stable-0.15.git%3Ba=log, http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00024.html, http://www.securityfocus.com/bid/53725