CVE-2008-4539
Vulnerability Summary
Timeline
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 Metrics
- v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.54%• Percentile: 44%
Techniques & Countermeasures
- CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Affected Systems
- canonical•ubuntu_linux
8.04 | 8.10
- debian•qemu
< 0.9.1+svn20081101-1 | < 0.9.1+svn20081101-1 | < 0.9.1+svn20081101-1 | < 0.9.1+svn20081101-1
- debian•debian_linux
4.0 | 5.0
- kvm_qumranet•kvm
≤ 81
- qemu•qemu
< 0.10.0
References (21)
- http://secunia.com/advisories/35062
- http://www.mail-archive.com/secure-testing-commits%40lists.alioth.debian.org/msg09322.html
- http://www.mail-archive.com/cvs-all%40freebsd.org/msg129730.html
- https://www.redhat.com/archives/fedora-package-announce/2008-December/msg01223.html
- http://secunia.com/advisories/25073
- http://secunia.com/advisories/34642
- https://bugzilla.redhat.com/show_bug.cgi?id=466890
- http://www.ubuntu.com/usn/usn-776-1
- http://secunia.com/advisories/33350
- https://bugzilla.redhat.com/show_bug.cgi?id=448525
- https://exchange.xforce.ibmcloud.com/vulnerabilities/47736
- https://bugzilla.redhat.com/show_bug.cgi?id=237342
- http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html
- http://secunia.com/advisories/29129
- http://svn.savannah.gnu.org/viewvc/?view=rev&root=qemu&revision=5587
- http://www.debian.org/security/2009/dsa-1799
- http://groups.google.com/group/linux.debian.changes.devel/msg/9e0dc008572f2867?dmode=source
- http://git.kernel.dk/?p=qemu.git%3Ba=commitdiff%3Bh=65d35a09979e63541afc5bfc595b9f1b1b4ae069
- http://secunia.com/advisories/35031
- https://launchpad.net/ubuntu/jaunty/+source/qemu/0.9.1+svn20081112-1ubuntu1
- https://security-tracker.debian.org/tracker/CVE-2008-4539