Vulnerability identifier: #VU7139

Vulnerability risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-10913

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Xen
Server applications / Virtualization software

Vendor: Xen Project

Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to memory read and write by malicious backend. A local attacker can obtain potentially sensitive data or gain backend-to-frontend privileges.

Successful exploitation of the vulnerability results in privilege escalation.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Xen: 4.5.0 - 4.8.1

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External links
http://xenbits.xen.org/xsa/advisory-218.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.