Permissions, Privileges, and Access Controls in Xen - CVE-2013-0215
Published: March 7, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU43024
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-0215
CWE-ID: CWE-264
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.
oxenstored in Xen 4.1.x, Xen 4.2.x, and xen-unstable does not properly consider the state of the Xenstore ring during read operations, which allows guest OS users to cause a denial of service (daemon crash and host-control outage, or memory consumption) or obtain sensitive control-plane data by leveraging guest administrative access.
Affected software
Xen
Gentoo Linux
app-emulation/xen
app-emulation/xen-pvgrub
app-emulation/xen-tools
Gentoo Linux
app-emulation/xen
app-emulation/xen-pvgrub
app-emulation/xen-tools
How to mitigate CVE-2013-0215
Install update from vendor's website.
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
app-emulation/xen-pvgrub - update to 4.2.2-r1
app-emulation/xen-tools - update to 4.2.2-r3
External References
- http://openwall.com/lists/oss-security/2013/02/05/10
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=40f9c5e0a6d15b4ca1f6d4ed3a46f0871520eab5
- http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=61401264eb00fae4ee4efc8e9a5067449283207b