National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2006-6143 Detail


The RPC library in Kerberos 5 1.4 through 1.4.4, and 1.5 through 1.5.1, as used in Kerberos administration daemon (kadmind) and other products that use this library, calls an uninitialized function pointer in freed memory, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.

Source:  MITRE      Last Modified:  12/31/2006

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
9.3 HIGH
(AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Not required to exploit
Impact Type:
Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (03/14/2007)

Not vulnerable. Red Hat Enterprise Linux 2.1, 3, and 4 ship with versions of Kerberos 5 prior to version 1.4 and are therefore not affected by these vulnerabilities. Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name External Source CONFIRM External Source FEDORA FEDORA-2007-033 External Source FEDORA FEDORA-2007-034 External Source APPLE APPLE-SA-2007-04-19 External Source SUSE SUSE-SA:2007:004 External Source GENTOO GLSA-200701-21 External Source SECTRACK 1017493 Patch; Vendor Advisory External Source CONFIRM Patch; Third Party Advisory; US Government Resource External Source CERT-VN VU#481564 External Source MANDRIVA MDKSA-2007:008 External Source OPENPKG OpenPKG-SA-2007.006 External Source BUGTRAQ 20070109 MITKRB5-SA-2006-002: kadmind (via RPC lib) calls uninitialized function pointer External Source BID 21970 External Source UBUNTU USN-408-1 Patch; Third Party Advisory; US Government Resource External Source CERT TA07-009B US Government Resource External Source CERT TA07-109A External Source VUPEN ADV-2007-0111 External Source VUPEN ADV-2007-1470 External Source XF kerberos-rpc-code-execution(31422) External Source CONFIRM

Technical Details

Vulnerability Type (View All)

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