CVE-2008-4539
HIGH severity · CVSS 7.2 · Memory corruption
7.2CVSS HIGH
Summary
Heap-based buffer overflow in the Cirrus VGA implementation in (1) KVM before kvm-82 and (2) QEMU on Debian GNU/Linux and Ubuntu might allow local users to gain privileges by using the VNC console for a connection, aka the LGD-54XX "bitblt" heap overflow. NOTE: this issue exists because of an incorrect fix for CVE-2007-1320.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)1%
AV:L/AC:L/Au:N/C:C/I:C/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.kernel.dk/?p=qemu.git%3Ba=commitdiff%3Bh=65d35a09979e63541afc5bfc595b9f1b1b4ae069
- http://groups.google.com/group/linux.debian.changes.devel/msg/9e0dc008572f2867?dmode=sourceAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.htmlAdvisory
- http://secunia.com/advisories/25073Advisory
- http://secunia.com/advisories/29129Advisory
- http://secunia.com/advisories/33350Advisory
- http://secunia.com/advisories/34642Advisory
- http://secunia.com/advisories/35031Advisory