Input validation error in Xen - CVE-2013-4551
Published: November 18, 2013 / Updated: August 10, 2020
Vulnerability identifier: #VU42364
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2013-4551
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Xen Project
Affected software:
Xen
Xen
Detailed vulnerability description
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."
How to mitigate CVE-2013-4551
Install update from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00059.html
- http://secunia.com/advisories/55398
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2013/11/11/1
- http://www.securityfocus.com/bid/63625
- http://www.securitytracker.com/id/1029313
- https://exchange.xforce.ibmcloud.com/vulnerabilities/88649