National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-3295 Detail

Description

The prep_reprocess_req function in kdc/do_tgs_req.c in the cross-realm referral implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 before 1.7.1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a ticket request.

Source:  MITRE      Last Modified:  12/29/2009

Quick Info

CVE Dictionary Entry:
CVE-2009-3295
Original release date:
12/29/2009
Last revised:
06/29/2010
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (01/11/2010)

Not vulnerable. This issue did not affect the versions of krb5 as shipped with Red Hat Enterprise Linux 3, 4, or 5.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://securitytracker.com/id?1023392 External Source SECTRACK 1023392
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-003.txt Patch; Vendor Advisory External Source CONFIRM http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-003.txt
http://www.securityfocus.com/archive/1/archive/1/508622/100/0/threaded Patch External Source BUGTRAQ 20091228 MITKRB5-SA-2009-003 [CVE-2009-3295] KDC denial of service in cross-realm referral processing
http://www.securityfocus.com/bid/37486 Patch External Source BID 37486
http://www.vupen.com/english/advisories/2009/3652 Patch; Vendor Advisory External Source VUPEN ADV-2009-3652

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:mit:kerberos:5-1.7:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History 2 change records found - show changes