Permissions, Privileges, and Access Controls in Xen - CVE-2013-4554

 

Permissions, Privileges, and Access Controls in Xen - CVE-2013-4554

Published: December 24, 2013 / Updated: August 10, 2020


Vulnerability identifier: #VU42208
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2013-4554
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 remote #AU# to read and manipulate data.

Xen 3.0.3 through 4.1.x (possibly 4.1.6.1), 4.2.x (possibly 4.2.3), and 4.3.x (possibly 4.3.1) does not properly prevent access to hypercalls, which allows local guest users to gain privileges via a crafted application running in ring 1 or 2.


How to mitigate CVE-2013-4554

Install update from vendor's website.

Sources