CVE-2008-4539

Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 29 Dec 2008, 15:00
Last modified:07 Aug 2024, 10:17

Vulnerability Summary

Overall Risk (default)
medium
29/100
CVSS Score
7.2 HIGH
v2.0 (nvd)
EPSS Score
0.05% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

29 Dec 2008, 15:00
Published
Vulnerability first disclosed
07 Aug 2024, 10:17
Last Modified
Vulnerability information updated

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: 0.05%• Percentile: 15%

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•debian_linux

    4.0 | 5.0

  • kvm_qumranet•kvm

    ≤ 81

  • qemu•qemu

    < 0.10.0

References (20)