Input validation error in Xen - CVE-2013-4551

 

Input validation error in Xen - CVE-2013-4551

Published: November 18, 2013 / Updated: August 10, 2020


Vulnerability identifier: #VU42364
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-4551
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Xen 4.2.x and 4.3.x, when nested virtualization is disabled, does not properly check the emulation paths for (1) VMLAUNCH and (2) VMRESUME, which allows local HVM guest users to cause a denial of service (host crash) via unspecified vectors related to "guest VMX instruction execution."


Affected software

Xen

How to mitigate CVE-2013-4551

Install update from vendor's website.


External References

Related Security Bulletins