CVE-2012-5513

MEDIUM

Description

The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.

References

http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html

http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html

http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html

http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html

http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html

http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html

http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html

http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html

http://rhn.redhat.com/errata/RHSA-2012-1540.html

http://secunia.com/advisories/51397

http://secunia.com/advisories/51468

http://secunia.com/advisories/51486

http://secunia.com/advisories/51487

http://secunia.com/advisories/51495

http://secunia.com/advisories/55082

http://security.gentoo.org/glsa/glsa-201309-24.xml

http://support.citrix.com/article/CTX135777

http://www.debian.org/security/2012/dsa-2582

http://www.openwall.com/lists/oss-security/2012/12/03/11

http://www.osvdb.org/88131

http://www.securityfocus.com/bid/56797

https://exchange.xforce.ibmcloud.com/vulnerabilities/80482

Details

Source: MITRE

Published: 2012-12-13

Updated: 2017-08-29

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 6.9

Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.4

Severity: MEDIUM