KTH Kerberos 4.1.0.3 krb4_proxy privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in KTH Kerberos 4.1.0.3. Affected is an unknown function. Executing a manipulation of the argument krb4_proxy can lead to privileges management. The identification of this vulnerability is CVE-2001-0034. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in KTH Kerberos 4.1.0.3. This vulnerability affects an unknown functionality. The manipulation of the argument krb4_proxy with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

KTH Kerberos IV allows local users to specify an alternate proxy using the krb4_proxy variable, which allows the user to generate false proxy responses and possibly gain privileges.

The weakness was shared 02/16/2001 by Jouko Pynnonen (FIRST) as not defined posting (Bugtraq). The advisory is shared for download at archives.neohapsis.com. This vulnerability was named CVE-2001-0034. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1068.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5733), Exploit-DB (20491) and SecurityFocus (BID 2090†). The entries VDB-16422, VDB-16443, VDB-16445 and VDB-16446 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
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: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/08/2000 🔍
02/16/2001 +70 days 🔍
02/16/2001 +0 days 🔍
07/03/2014 +4885 days 🔍
12/22/2024 +3825 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Jouko Pynnonen (FIRST)
Status: Confirmed

CVE: CVE-2001-0034 (🔍)
GCVE (CVE): GCVE-0-2001-0034
GCVE (VulDB): GCVE-100-16444
X-Force: 5733 - KTH Kerberos 4 arbitrary proxy enviornment variable
SecurityFocus: 2090 - KTH Kerberos 4 Arbitrary Proxy Usage Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/03/2014 11:56
Updated: 12/22/2024 23:10
Changes: 07/03/2014 11:56 (48), 05/29/2018 09:22 (10), 12/22/2024 23:10 (27)
Complete: 🔍
Cache ID: 216:737:103

Once again VulDB remains the best source for vulnerability data.

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