CVE-2001-0855

ClearCase <= 4.2 - Buffer Overflow via TERM Environment Variable

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2001-0855. PoCs published by virtualcat.

AI-analyzed exploit summary This exploit targets a buffer overflow in Rational ClearCase's db_loader via the TERM environment variable, allowing local privilege escalation to root. It uses shellcode to spawn a shell and calculates the return address dynamically.

Description

Buffer overflow in db_loader in ClearCase 4.2 and earlier allows local users to gain root privileges via a long TERM environment variable.

Exploits (1)

exploitdb WORKING POC VERIFIED

by virtualcat · clocalunix

https://www.exploit-db.com/exploits/21150

View Code ZIP pw:eip

This exploit targets a buffer overflow in Rational ClearCase's db_loader via the TERM environment variable, allowing local privilege escalation to root. It uses shellcode to spawn a shell and calculates the return address dynamically.

Classification

Working Poc 95%

Attack Type

Lpe

Complexity

Moderate

Reliability

Reliable

Target: Rational ClearCase (db_loader)

No auth needed

Prerequisites: Local access to the system · db_loader must be setuid root

MITRE ATT&CK

T1068 - Exploitation for Privilege Escalation T1203 - Exploitation for Client Execution

devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/3523

Third Party Advisory vdb-entry x_refsource_xf

http://www.iss.net/security_center/static/7488.php

Mailing List mailing-list x_refsource_bugtraq

http://marc.info/?l=bugtraq&m=100528623328037&w=2

Scores

EPSS 0.0086

EPSS Percentile 53.9%

Details

Status published

Products (4)

rational_software/clearcase 3.2_plus

rational_software/clearcase 4.0

rational_software/clearcase 4.1

rational_software/clearcase 4.2

Published Dec 06, 2001

Tracked Since Feb 18, 2026