Stack-based buffer overflow in Xen - CVE-2012-5511

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing a large bitmap image. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

How to mitigate CVE-2012-5511

External References

• 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-updates/2013-04/msg00051.html
• http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
• http://secunia.com/advisories/51397
• http://secunia.com/advisories/51486
• http://secunia.com/advisories/51487
• 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/2013/dsa-2636
• http://www.openwall.com/lists/oss-security/2012/12/03/10
• http://www.osvdb.org/88129
• http://www.securityfocus.com/bid/56796
• https://exchange.xforce.ibmcloud.com/vulnerabilities/80484

Related Security Bulletins

• Stack-based buffer overflow in Xen
• Stack-based buffer overflow in xen (Alpine package)
• SUSE Linux update for Xen
• Gentoo update for Xen