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.

Score

CVSS 2.0 4.4 Medium

Status

Modified - secalert@redhat.com

Published

2012-08-07

Last modified

2024-08-06

Affected products

• Qemu (Qemu)

References

• 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://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