CVE-2000-0639

Big Brother <= 1.4h2 - Unauthenticated Remote Code Execution via CGI Script Upload

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-0639. PoCs published by xternal.

AI-analyzed exploit summary This exploit leverages a vulnerability in Big Brother to create arbitrary CGI scripts via command injection, allowing remote file disclosure or command execution. The PoC demonstrates creating a malicious PHP script that reads /etc/passwd when accessed via the web server.

Description

The default configuration of Big Brother 1.4h2 and earlier does not include proper access restrictions, which allows remote attackers to execute arbitrary commands by using bbd to upload a file whose extension will cause it to be executed as a CGI script by the web server.

Exploits (1)

exploitdb WORKING POC VERIFIED
by xternal · textlocalcgi
https://www.exploit-db.com/exploits/20092

This exploit leverages a vulnerability in Big Brother to create arbitrary CGI scripts via command injection, allowing remote file disclosure or command execution. The PoC demonstrates creating a malicious PHP script that reads /etc/passwd when accessed via the web server.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Big Brother (version not specified)
No auth needed
Prerequisites: Network access to the target Big Brother instance · Big Brother service running with vulnerable configuration
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Patch, Vendor Advisory mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2000-07/0171.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/5103
Exploit, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1494
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/1472

Scores

EPSS 0.0949
EPSS Percentile 94.9%

Details

Status published
Products (12)
sean_macguire/big_brother 1.0
sean_macguire/big_brother 1.1
sean_macguire/big_brother 1.2
sean_macguire/big_brother 1.3
sean_macguire/big_brother 1.3b
sean_macguire/big_brother 1.4
sean_macguire/big_brother 1.4g
sean_macguire/big_brother 1.4h
sean_macguire/big_brother 1.4h1
sean_macguire/big_brother 1.09b
... and 2 more
Published Jun 11, 2000
Tracked Since Feb 18, 2026