MIT Kerberos 5-1.2.1/5-1.2.2/5-1.2.3/5-1.2.4 ASN.1 Decoder denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in MIT Kerberos 5-1.2.1/5-1.2.2/5-1.2.3/5-1.2.4. It has been declared as problematic. Impacted is an unknown function of the component ASN.1 Decoder. The manipulation results in denial of service. This vulnerability is cataloged as CVE-2002-0036. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in MIT Kerberos 5-1.2.1/5-1.2.2/5-1.2.3/5-1.2.4 (Network Authentication Software). Affected is some unknown processing of the component ASN.1 Decoder. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.

The weakness was shared 01/28/2003 with CERT as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability is traded as CVE-2002-0036. 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 vulnerability scanner Nessus provides a plugin with the ID 14027 (Mandrake Linux Security Advisory : krb5 (MDKSA-2003:043-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. 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 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (11190), Tenable (14027), SecurityFocus (BID 6713†), OSVDB (4896†) and Vulnerability Center (SBV-1552†). The entries VDB-20139, VDB-20140 and VDB-20141 are related to this item. 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: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: 14027
Nessus Name: Mandrake Linux Security Advisory : krb5 (MDKSA-2003:043-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

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

01/28/2003 🔍
01/28/2003 +0 days 🔍
02/19/2003 +22 days 🔍
04/03/2003 +43 days 🔍
04/03/2004 +366 days 🔍
07/31/2004 +118 days 🔍
08/07/2014 +3659 days 🔍
08/25/2025 +4036 days 🔍

Sourcesinfo

Vendor: mit.edu

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

CVE: CVE-2002-0036 (🔍)
GCVE (CVE): GCVE-0-2002-0036
GCVE (VulDB): GCVE-100-20124
CERT: 🔍
X-Force: 11190
SecurityFocus: 6713 - MIT Kerberos ASN.1 Decoder Heap Corruption Vulnerability
OSVDB: 4896 - MIT Kerberos 5 ASN.1 Decoder Heap Corruption DoS
Vulnerability Center: 1552

See also: 🔍

Entryinfo

Created: 08/07/2014 17:52
Updated: 08/25/2025 13:34
Changes: 08/07/2014 17:52 (70), 05/01/2019 10:14 (1), 06/17/2024 12:20 (17), 12/15/2024 05:53 (2), 08/25/2025 13:34 (2)
Complete: 🔍
Cache ID: 216::103

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