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Last updated: 5/26/2016 1:28:12 PM

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Vulnerability Summary for CVE-2011-0284

Original release date: 03/19/2011
Last revised: 02/11/2014


Double free vulnerability in the prepare_error_as function in do_as_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 through 1.9, when the PKINIT feature is enabled, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via an e_data field containing typed data.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.6 HIGH
Impact Subscore: 10.0
Exploitability Subscore: 4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: High
Authentication: Not 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: BUGTRAQ
Name: 20110315 MITKRB5-SA-2011-003 [CVE-2011-0284] KDC double-free when PKINIT enabled
External Source: BID
Name: 46881
External Source: SECTRACK
Name: 1025216
External Source: VUPEN
Name: ADV-2011-0722
External Source: VUPEN
Name: ADV-2011-0680
External Source: VUPEN
Name: ADV-2011-0673
Type: Advisory
External Source: UBUNTU
Name: USN-1088-1
External Source: FEDORA
Name: FEDORA-2011-3462
External Source: CONFIRM
Name: http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-003.txt
Type: Advisory; Patch Information
External Source: VUPEN
Name: ADV-2011-0763
External Source: REDHAT
Name: RHSA-2011:0356
External Source: FEDORA
Name: FEDORA-2011-3547
US-CERT Vulnerability Note: CERT-VN
Name: VU#943220
Type: Patch Information
External Source: MANDRIVA
Name: MDVSA-2011:048
External Source: SUSE
Name: SUSE-SR:2011:005
External Source: XF
Name: kerberos-perpareerroras-code-execution(66101)
External Source: VUPEN
Name: ADV-2011-0672
Type: Advisory
External Source: FEDORA
Name: FEDORA-2011-3464

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)