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Overview

Vulnerability Score 6.9 6.9
CVE Id CVE-2012-5513
Last Modified 19 Apr 2014 12:28:29
Published 13 Dec 2012 06:53:48
Confidentiality Impact COMPLETE COMPLETE
Integrity Impact COMPLETE COMPLETE
Availability Impact COMPLETE COMPLETE
Access Vector LOCAL
Access Complexity MEDIUM
Authentication NONE

CVE-2012-5513

Summary

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.

Vulnerable Systems

Operating System

  • Xen 3.0.2

  • Xen 3.0.3

  • Xen 3.0.4

  • Xen 3.1.3

  • Xen 3.1.4

  • Xen 3.2.0

  • Xen 3.2.1

  • Xen 3.2.2

  • Xen 3.2.3

  • Xen 3.3.0

  • Xen 3.3.1

  • Xen 3.3.2

  • Xen 3.4.0

  • Xen 3.4.1

  • Xen 3.4.2

  • Xen 3.4.3

  • Xen 3.4.4

  • Xen 4.0.0

  • Xen 4.0.1

  • Xen 4.0.2

  • Xen 4.0.3

  • Xen 4.0.4

  • Xen 4.1.0

  • Xen 4.1.1

  • Xen 4.1.2

  • Xen 4.1.3

  • Xen 4.2.0


References

XF - xen-xenmemexchange-priv-esc(80482)

BID - 56797

OSVDB - 88131

MLIST - [oss-security] 20121203 Xen Security Advisory 29 (CVE-2012-5513) - XENMEM_exchange may overwrite hypervisor memory

DEBIAN - DSA-2582

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

SECUNIA - 51495

SECUNIA - 51487

SECUNIA - 51486

SECUNIA - 51468

SECUNIA - 51397

SUSE - SUSE-SU-2012:1615

SUSE - SUSE-SU-2012:1606

REDHAT - RHSA-2012:1540

SUSE - openSUSE-SU-2013:0133

SUSE - openSUSE-SU-2012:1687

SUSE - openSUSE-SU-2012:1685

SUSE - openSUSE-SU-2013:0637

SUSE - openSUSE-SU-2013:0636

GENTOO - GLSA-201309-24

SECUNIA - 55082

SUSE - SUSE-SU-2014:0470

SUSE - SUSE-SU-2014:0446

Related Patches

Red Hat 2012:1540-01 RHSA Important: kernel security, bug fix, and enhancement update for RHEL 5 x86

Novell SUSE 2012:7133 xen security update for SLE 11 SP2 x86_64

Novell SUSE 2012:8379 xen security update for SLE 10 SP4 i586

Novell SUSE 2012:8379 xen security update for SLE 10 SP4 x86_64

Novell SUSE 2013:7492 xen security update for SLE 11 SP2 i586

Novell SUSE 2013:7492 xen security update for SLE 11 SP2 x86_64


Last Updated: 27 May 2016 10:51:50