National Vulnerability Database (NVD) National Vulnerability Database (CVE-2010-1322)

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Last updated: Sat May 25 18:21:15 EDT 2013

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NIST Security Configuration Checklists - CSD

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Vulnerability Summary for CVE-2010-1322

Original release date:10/07/2010

Last revised:01/14/2011

Source: US-CERT/NIST

Overview

The merge_authdata function in kdc_authdata.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x before 1.8.4 does not properly manage an index into an authorization-data list, which allows remote attackers to cause a denial of service (daemon crash), or possibly obtain sensitive information, spoof authorization, or execute arbitrary code, via a TGS request that triggers an uninitialized pointer dereference, as demonstrated by a request from a Windows Active Directory client.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:6.5 (MEDIUM) (AV:N/AC:L/Au:S/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 8.0

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Low

Authentication: Required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: BID

Name: 43756

Type: Patch Information

Hyperlink:http://www.securityfocus.com/bid/43756

External Source: CONFIRM

Name: http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-006.txt

Type: Advisory; Patch Information

Hyperlink:http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-006.txt

External Source: VUPEN

Name: ADV-2010-2865

Hyperlink:http://www.vupen.com/english/advisories/2010/2865

External Source: UBUNTU