Use-after-free in Xen - CVE-2013-1920

 

Use-after-free in Xen - CVE-2013-1920

Published: April 13, 2013 / Updated: July 28, 2020


Vulnerability identifier: #VU32690
CSH Severity: Medium
CVSS v4: 5.1 [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]
CVE-ID: CVE-2013-1920
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing unspecified vectors. A local guest kernels can inject arbitrary events and gain privileges.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Xen
Gentoo Linux
SUSE Linux
xen (Alpine package)
app-emulation/xen
app-emulation/xen-pvgrub
app-emulation/xen-tools

How to mitigate CVE-2013-1920

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

xen (Alpine package) - update to 4.2.1-r7
app-emulation/xen - update to 4.2.2-r1
app-emulation/xen-pvgrub - update to 4.2.2-r1
app-emulation/xen-tools - update to 4.2.2-r3

External References

Related Security Bulletins