Privilege escalation in Xen - CVE-2017-12135

 

Privilege escalation in Xen - CVE-2017-12135

Published: August 16, 2017 / Updated: August 25, 2017


Vulnerability identifier: #VU7949
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-12135
CWE-ID: CWE-264
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

The vulnerability allows a local attacker on the guest system to gain elevated privileges on the host system.

The weakness exists due to flaws in the processing of transitive grants. A local attacker on the guest system can escalate privileges on the host system.

How to mitigate CVE-2017-12135

Install update from vendor's website.

Sources