National Cyber Awareness System

Vulnerability Summary for CVE-2011-0284

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Vulnerability Note: VU#943220

Name: VU#943220

Type: Patch Information

Hyperlink:http://www.kb.cert.org/vuls/id/943220

External Source: CONFIRM

Name: http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-003.txt

Type: Advisory; Patch Information

Hyperlink:http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-003.txt

External Source: XF

Name: kerberos-perpareerroras-code-execution(66101)

Hyperlink:http://xforce.iss.net/xforce/xfdb/66101

External Source: VUPEN

Name: ADV-2011-0763

Hyperlink:http://www.vupen.com/english/advisories/2011/0763

External Source: VUPEN

Name: ADV-2011-0722

Hyperlink:http://www.vupen.com/english/advisories/2011/0722

External Source: VUPEN

Name: ADV-2011-0680

Hyperlink:http://www.vupen.com/english/advisories/2011/0680

External Source: VUPEN

Name: ADV-2011-0673

Type: Advisory

Hyperlink:http://www.vupen.com/english/advisories/2011/0673

External Source: VUPEN

Name: ADV-2011-0672

Type: Advisory

Hyperlink:http://www.vupen.com/english/advisories/2011/0672

External Source: UBUNTU

Name: USN-1088-1

Hyperlink:http://www.ubuntu.com/usn/USN-1088-1

External Source: BID

Name: 46881

Hyperlink:http://www.securityfocus.com/bid/46881

External Source: BUGTRAQ

Name: 20110315 MITKRB5-SA-2011-003 [CVE-2011-0284] KDC double-free when PKINIT enabled

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/517029/100/0/threaded

External Source: REDHAT

Name: RHSA-2011:0356

Hyperlink:http://www.redhat.com/support/errata/RHSA-2011-0356.html

External Source: MANDRIVA

Name: MDVSA-2011:048

Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2011:048

External Source: SECTRACK

Name: 1025216

Hyperlink:http://securitytracker.com/id?1025216

External Source: SECUNIA

Name: 43881

Hyperlink:http://secunia.com/advisories/43881

External Source: SECUNIA

Name: 43783

Type: Advisory

Hyperlink:http://secunia.com/advisories/43783

External Source: SECUNIA

Name: 43760

Hyperlink:http://secunia.com/advisories/43760

External Source: SECUNIA

Name: 43700

Hyperlink:http://secunia.com/advisories/43700

External Source: OSVDB

Name: 71183

Hyperlink:http://osvdb.org/71183

External Source: FEDORA

Name: FEDORA-2011-3462

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056579.html

External Source: FEDORA

Name: FEDORA-2011-3464

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056573.html

External Source: FEDORA

Name: FEDORA-2011-3547

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056413.html