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 v4.0: 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/E:U/U:Green
CVE-ID: CVE-2014-8106
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

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.


How to mitigate CVE-2014-8106

Update to version 2.2.0.

Sources