Heap-based buffer overflow in Xen - CVE-2012-0029

 

Heap-based buffer overflow in Xen - CVE-2012-0029

Published: January 27, 2012 / Updated: July 27, 2020


Vulnerability identifier: #VU31957
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-0029
CWE-ID: CWE-122
Exploitation vector: Adjecent network
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 process_tx_desc function in the e1000 emulation (hw/e1000.c) in qemu-kvm 0.12, and possibly other versions,. A remote attacker can use crafted legacy mode packets. 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-2012-0029

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources