Privilege escalation in Xen - CVE-2017-8904
Published: May 31, 2017 / Updated: May 31, 2017
Vulnerability identifier: #VU6844
CSH Severity: Low
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:Clear
CVE-ID: CVE-2017-8904
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Xen Project
Affected software:
Xen
Xen
Detailed vulnerability description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists due to an error in the GNTTABOP_transfer operation. A local attacker can transfer a page to another guest, access all of the system memory and execute arbitrary code on the host OS with elevated privileges.
Successful exploitation of the vulnerability results in privilege escalation.
The weakness exists due to an error in the GNTTABOP_transfer operation. A local attacker can transfer a page to another guest, access all of the system memory and execute arbitrary code on the host OS with elevated privileges.
Successful exploitation of the vulnerability results in privilege escalation.
How to mitigate CVE-2017-8904
Install update from vendor's website.