MIT Kerberos 5-1.2.1/5-1.2.2 chk_trans.c authentication spoofing

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

Summaryinfo

A vulnerability categorized as critical has been discovered in MIT Kerberos 5-1.2.1/5-1.2.2. Affected is an unknown function in the library libkrb5 of the file chk_trans.c. Executing a manipulation can lead to authentication spoofing. This vulnerability is registered as CVE-2003-0059. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in MIT Kerberos 5-1.2.1/5-1.2.2 (Network Authentication Software). It has been declared as critical. This vulnerability affects an unknown functionality in the library libkrb5 of the file chk_trans.c. The manipulation with an unknown input leads to a authentication spoofing vulnerability. The CWE definition for the vulnerability is CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Unknown vulnerability in the chk_trans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys.

The weakness was published 02/19/2003 as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability was named CVE-2003-0059. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 11512 (Kerberos 5 < 1.3.5 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38371 (Red Hat Kerberos Multiple Vulnerabilities).

Upgrading to version 1.2.5 eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (11188), Tenable (11512), SecurityFocus (BID 6714†) and Vulnerability Center (SBV-1677†). Similar entries are available at VDB-20124, VDB-20139 and VDB-20141. Once again VulDB remains the best source for vulnerability data.

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 11512
Nessus Name: Kerberos 5 < 1.3.5 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Kerberos 1.2.5

Timelineinfo

01/29/2003 🔍
02/19/2003 +21 days 🔍
02/19/2003 +0 days 🔍
02/19/2003 +0 days 🔍
04/03/2003 +43 days 🔍
08/14/2003 +133 days 🔍
08/31/2004 +383 days 🔍
08/07/2014 +3628 days 🔍
08/25/2025 +4036 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: kb.cert.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2003-0059 (🔍)
GCVE (CVE): GCVE-0-2003-0059
GCVE (VulDB): GCVE-100-20140
CERT: 🔍
X-Force: 11188
SecurityFocus: 6714 - MIT Kerberos / Key Distribution Center Shared Key User Spoofing Vulnerability
Vulnerability Center: 1677 - MIT Kerberos V5 < 1.2.5 Enables Spoofing Attack, High

See also: 🔍

Entryinfo

Created: 08/07/2014 17:57
Updated: 08/25/2025 18:34
Changes: 08/07/2014 17:57 (69), 05/11/2019 13:03 (4), 12/15/2024 20:23 (17), 08/25/2025 18:34 (2)
Complete: 🔍
Cache ID: 216:CAA:103

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