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Vulnerability Details : CVE-2014-4343

Double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via network traffic that appears to come from an intended acceptor, but specifies a security mechanism different from the one proposed by the initiator.
Publish Date : 2014-08-14 Last Update Date : 2014-10-17
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- CVSS Scores & Vulnerability Types

CVSS Score
7.6
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 ServiceExecute CodeMemory corruption
CWE ID CWE id is not defined for this vulnerability

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2014:1389: krb5 security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20141389 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-2014-4343

# Product Type Vendor Product Version Update Edition Language
1 Application MIT Kerberos 5-1.10 Version Details Vulnerabilities
2 Application MIT Kerberos 5-1.10.1 Version Details Vulnerabilities
3 Application MIT Kerberos 5-1.10.2 Version Details Vulnerabilities
4 Application MIT Kerberos 5-1.10.3 Version Details Vulnerabilities
5 Application MIT Kerberos 5-1.10.4 Version Details Vulnerabilities
6 Application MIT Kerberos 5-1.11 Version Details Vulnerabilities
7 Application MIT Kerberos 5-1.11.1 Version Details Vulnerabilities
8 Application MIT Kerberos 5-1.11.2 Version Details Vulnerabilities
9 Application MIT Kerberos 5-1.11.3 Version Details Vulnerabilities
10 Application MIT Kerberos 5-1.11.4 Version Details Vulnerabilities
11 Application MIT Kerberos 5-1.11.5 Version Details Vulnerabilities
12 Application MIT Kerberos 5-1.12 Version Details Vulnerabilities
13 Application MIT Kerberos 5-1.12.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
MIT Kerberos 13

- References For CVE-2014-4343

http://www.debian.org/security/2014/dsa-3000
DEBIAN DSA-3000
http://krbdev.mit.edu/rt/Ticket/Display.html?id=7969 CONFIRM
https://github.com/krb5/krb5/commit/f18ddf5d82de0ab7591a36e465bc24225776940f CONFIRM

- Metasploit Modules Related To CVE-2014-4343

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


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