Privilege escalation in Xen - CVE-2017-10918

 

Privilege escalation in Xen - CVE-2017-10918

Published: June 21, 2017 / Updated: July 28, 2020


Vulnerability identifier: #VU7153
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-10918
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

The vulnerability allows a local attacker to gain elevated privileges.

The weakness exists due to a memory allocation error in the physical-to-machine (P2M) mapping. A local attacker on the guest system can access restricted memory to gain elevated privileges on the host system.

Successful exploitation of the vulnerability results in privilege escalation.

How to mitigate CVE-2017-10918

Install update from vendor's website.

Sources