MIT Kerberos 4 Ticket privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability was found in MIT Kerberos 4 (Network Authentication Software). It has been classified as critical. Affected is an unknown code of the component Ticket Handler. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and "ticket splicing."

The weakness was published 03/24/2003 by Sam Hartman as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability is traded as CVE-2003-0139 since 03/13/2003. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 15103 (Debian DSA-266-1 : krb5 - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (11570), Tenable (15103), SecurityFocus (BID 7113†) and Vulnerability Center (SBV-4652†). Similar entries are available at VDB-20219, VDB-20308 and VDB-20309. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 15103
Nessus Name: Debian DSA-266-1 : krb5 - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53337
OpenVAS Name: Debian Security Advisory DSA 266-1 (krb5)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/13/2003 🔍
03/17/2003 +4 days 🔍
03/17/2003 +0 days 🔍
03/24/2003 +7 days 🔍
03/24/2003 +0 days 🔍
03/24/2003 +0 days 🔍
06/30/2004 +464 days 🔍
09/29/2004 +91 days 🔍
08/08/2014 +3600 days 🔍
01/19/2025 +3817 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: kb.cert.org
Researcher: Sam Hartman
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2003-0139 (🔍)
GCVE (CVE): GCVE-0-2003-0139
GCVE (VulDB): GCVE-100-20220

OVAL: 🔍

CERT: 🔍
X-Force: 11570
SecurityFocus: 7113 - Multiple Cryptographic Weaknesses in Kerberos 4 Protocol
Vulnerability Center: 4652 - Weakness in Kerberos 4 Allows Krb4 Tickets for Unauthorized Principals, High

See also: 🔍

Entryinfo

Created: 08/08/2014 11:38 AM
Updated: 01/19/2025 03:05 AM
Changes: 08/08/2014 11:38 AM (71), 05/22/2019 04:56 PM (5), 01/19/2025 03:05 AM (17)
Complete: 🔍
Cache ID: 18:87A:40

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