Out-of-bounds write in Xen - CVE-2017-14316

 

Out-of-bounds write in Xen - CVE-2017-14316

Published: September 14, 2017


Vulnerability identifier: #VU8424
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-14316
CWE-ID: CWE-787
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

The vulnerability allows an adjacent attacker to execute arbitrary code on the host system.

The weakness exists due to out-of-bounds array access in the processing of NUMA node parameters. An adjacent attacker can invoke specially crafted hypercalls and execute arbitrary code with elevated privileges.

How to mitigate CVE-2017-14316

Install update from vendor's website.

Sources