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Vulnerability Details : CVE-2013-6400

Xen 4.2.x and 4.3.x, when using Intel VT-d and a PCI device has been assigned, does not clear the flag that suppresses IOMMU TLB flushes when unspecified errors occur, which causes the TLB entries to not be flushed and allows local guest administrators to cause a denial of service (host crash) or gain privileges via unspecified vectors.
Publish Date : 2013-12-13 Last Update Date : 2014-04-19
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceGain privileges
CWE ID 264

- Related OVAL Definitions

Title Definition Id Class Family
SUSE-SU-2014:0373-1 -- Security update for Xen oval:org.mitre.oval:def:25390 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2013-6400

# Product Type Vendor Product Version Update Edition Language
1 OS XEN XEN 4.2.0 Version Details Vulnerabilities
2 OS XEN XEN 4.2.1 Version Details Vulnerabilities
3 OS XEN XEN 4.2.2 Version Details Vulnerabilities
4 OS XEN XEN 4.2.3 Version Details Vulnerabilities
5 OS XEN XEN 4.3.0 Version Details Vulnerabilities
6 OS XEN XEN 4.3.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
XEN XEN 6

- References For CVE-2013-6400

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
SUSE SUSE-SU-2014:0373
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/125111.html
FEDORA FEDORA-2013-23457
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/125081.html
FEDORA FEDORA-2013-23466
http://lists.xen.org/archives/html/xen-announce/2013-12/msg00002.html
MLIST [Xen-announce] 20131210 Xen Security Advisory 80 (CVE-2013-6400) - IOMMU TLB flushing may be inadvertently suppressed
http://www.securitytracker.com/id/1029468
SECTRACK 1029468
http://www.openwall.com/lists/oss-security/2013/12/10/7
MLIST [oss-security] 20131210 Xen Security Advisory 80 (CVE-2013-6400) - IOMMU TLB flushing may be inadvertently suppressed
http://secunia.com/advisories/55932
SECUNIA 55932

- Metasploit Modules Related To CVE-2013-6400

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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