CVE-2001-0034

KTH Kerberos IV - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2001-0034. PoCs published by Jouko Pynnonen.

AI-analyzed exploit summary The exploit describes a vulnerability in KTH Kerberos where the 'krb4_proxy' environment variable can be manipulated to redirect authentication requests to a malicious server, potentially leading to remote root access via a buffer overflow in the Kerberos shared libraries.

Description

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.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Jouko Pynnonen · textremotemultiple
https://www.exploit-db.com/exploits/20491

The exploit describes a vulnerability in KTH Kerberos where the 'krb4_proxy' environment variable can be manipulated to redirect authentication requests to a malicious server, potentially leading to remote root access via a buffer overflow in the Kerberos shared libraries.

Classification
Writeup 90%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Theoretical
Target: KTH Kerberos (version not specified)
No auth needed
Prerequisites: Access to a service using KTH Kerberos · Ability to set environment variables remotely (e.g., via telnet)
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/5733
Exploit, Patch, Vendor Advisory mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2000-12/0093.html

Scores

EPSS 0.0096
EPSS Percentile 57.0%

Details

Status published
Products (1)
kth/kth_kerberos < 4.1.0.3
Published Feb 16, 2001
Tracked Since Feb 18, 2026