CVE-2012-2652

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 (16)

• secalert@redhathttp://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=eba25057b9a5e19d10ace2bc7716667a31297169
• secalert@redhathttp://git.qemu.org/?p=qemu-stable-0.15.git%3Ba=log
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00024.html
• secalert@redhathttp://secunia.com/advisories/50132
• secalert@redhathttp://secunia.com/advisories/50689
• secalert@redhathttp://www.debian.org/security/2012/dsa-2545
• secalert@redhathttp://www.securityfocus.com/bid/53725
• secalert@redhathttp://www.ubuntu.com/usn/USN-1522-1
• af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=eba25057b9a5e19d10ace2bc7716667a31297169
• af854a3a-2127-422b-91ae-364da2661108http://git.qemu.org/?p=qemu-stable-0.15.git%3Ba=log
• af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00024.html
• af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/50132
• af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/50689
• af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2012/dsa-2545
• af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/53725