Heap-based buffer overflow in Xen - CVE-2014-8106

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Main Vulnerability Database Vulnerabilities #VU33056

Heap-based buffer overflow in Xen - CVE-2014-8106

Published: December 8, 2014 / Updated: August 3, 2020


Vulnerability identifier: #VU33056
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-8106
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the Cirrus VGA emulator (hw/display/cirrus_vga.c) in QEMU before 2.2.0. A remote attacker can use vectors related to blit regions. NOTE to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Xen
qemu (Alpine package)
xen (Alpine package)
qemu
Fedora

How to mitigate CVE-2014-8106

Update to version 2.2.0.

Xen - update to 2.2.0
qemu (Alpine package) - update to 1.6.2-r4
xen (Alpine package) - update to 4.5.5-r3
qemu - addressed in versions 2.1.3-4.fc21, 2.1.3-5.fc21

External References

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