Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Kvm Qumranet | Kvm | <= 81 |
| Qemu | Qemu | < 0.10.0 |
| Canonical | Ubuntu Linux | - |
| Debian | Debian Linux | - |
Related Weaknesses (CWE)
References
- http://git.kernel.dk/?p=qemu.git%3Ba=commitdiff%3Bh=65d35a09979e63541afc5bfc595b
- http://groups.google.com/group/linux.debian.changes.devel/msg/9e0dc008572f2867?dThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.htmlMailing ListThird Party Advisory
- http://secunia.com/advisories/25073Third Party Advisory
- http://secunia.com/advisories/29129Third Party Advisory
- http://secunia.com/advisories/33350Third Party Advisory
- http://secunia.com/advisories/34642Third Party Advisory
- http://secunia.com/advisories/35031Third Party Advisory
- http://secunia.com/advisories/35062Third Party Advisory
- http://svn.savannah.gnu.org/viewvc/?view=rev&root=qemu&revision=5587Third Party Advisory
- http://www.debian.org/security/2009/dsa-1799Third Party Advisory
- http://www.mail-archive.com/cvs-all%40freebsd.org/msg129730.html
- http://www.mail-archive.com/secure-testing-commits%40lists.alioth.debian.org/msg
- http://www.ubuntu.com/usn/usn-776-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=237342Issue TrackingThird Party Advisory
FAQ
What is CVE-2008-4539?
CVE-2008-4539 is a vulnerability with a CVSS score of 7.2 (HIGH). 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...
How severe is CVE-2008-4539?
CVE-2008-4539 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2008-4539?
Check the references section above for vendor advisories and patch information. Affected products include: Kvm Qumranet Kvm, Qemu Qemu, Canonical Ubuntu Linux, Debian Debian Linux.