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Vulnerability Details : CVE-2013-6885

The microcode on AMD 16h 00h through 0Fh processors does not properly handle the interaction between locked instructions and write-combined memory types, which allows local users to cause a denial of service (system hang) via a crafted application, aka the errata 793 issue.
Publish Date : 2013-11-28 Last Update Date : 2014-04-19
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- CVSS Scores & Vulnerability Types

CVSS Score
4.7
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Related OVAL Definitions

Title Definition Id Class Family
ELSA-2014:0285: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:23863 unix
RHSA-2014:0285: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:24254 unix
RHSA-2014:0285: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20140285 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-2013-6885

# Product Type Vendor Product Version Update Edition Language
1 Hardware AMD 16h Model 00h Processor - Version Details Vulnerabilities
2 Hardware AMD 16h Model 0fh Processor - Version Details Vulnerabilities
3 OS AMD 16h Model Processor Firmware - Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
AMD 16h Model 00h Processor 1
AMD 16h Model 0fh Processor 1
AMD 16h Model Processor Firmware 1

- References For CVE-2013-6885

http://support.amd.com/TechDocs/51810_16h_00h-0Fh_Rev_Guide.pdf CONFIRM
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123553.html
FEDORA FEDORA-2013-22754
http://lists.dragonflybsd.org/pipermail/kernel/2011-December/046594.html
MLIST [kernel] 20111225 Buildworld loop seg-fault update -- I believe it is hardware
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124195.html
FEDORA FEDORA-2013-22888
http://secunia.com/advisories/55840
SECUNIA 55840
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html
SUSE SUSE-SU-2014:0411
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
SUSE SUSE-SU-2014:0373
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html
SUSE SUSE-SU-2014:0372
http://www.securityfocus.com/bid/63983
BID 63983 AMD 16h Model Processor CVE-2013-6885 Local Denial of Service Vulnerability Release Date:2014-07-16
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124199.html
FEDORA FEDORA-2013-22866
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
SUSE SUSE-SU-2014:0446
http://openwall.com/lists/oss-security/2013/11/28/1
MLIST [oss-security] 20131127 CVE-2013-6885 AMD Publ. 51810 Errata 793 system hang
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
SUSE SUSE-SU-2014:0470
http://www.openwall.com/lists/oss-security/2013/12/02/1
MLIST [oss-security] 20131202 Xen Security Advisory 82 (CVE-2013-6885) - Guest triggerable AMD CPU erratum may cause host to hang
http://rhn.redhat.com/errata/RHSA-2014-0285.html
REDHAT RHSA-2014:0285
http://www.zdnet.com/blog/hardware/amd-owns-up-to-cpu-bug/18924
http://www.securitytracker.com/id/1029415
SECTRACK 1029415
http://xforce.iss.net/xforce/xfdb/89335
XF xen-cve20136885-dos(89335)
https://bugzilla.redhat.com/show_bug.cgi?id=1035823 CONFIRM

- Metasploit Modules Related To CVE-2013-6885

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


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