CVE-2000-0601

LeafChat 1.7 - Denial of Service via Rapid Error Message Flood

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-0601. PoCs published by MDMA Crew.

AI-analyzed exploit summary This Java-based PoC exploits a DoS vulnerability in LeafDigital LeafChat IRC client by repeatedly sending invalid data to the client, causing it to exhaust system resources and crash. The exploit sets up a server on port 6667 and continuously sends invalid messages to the connected client.

Description

LeafChat 1.7 IRC client allows a remote IRC server to cause a denial of service by rapidly sending a large amount of error messages.

Exploits (1)

exploitdb WORKING POC VERIFIED
by MDMA Crew · javadoswindows
https://www.exploit-db.com/exploits/20039

This Java-based PoC exploits a DoS vulnerability in LeafDigital LeafChat IRC client by repeatedly sending invalid data to the client, causing it to exhaust system resources and crash. The exploit sets up a server on port 6667 and continuously sends invalid messages to the connected client.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: LeafDigital LeafChat IRC client
No auth needed
Prerequisites: Network access to the target IRC client · Target client must connect to the malicious server
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/1396
Various Sources x_refsource_confirm
http://www.leafdigital.com/Software/leafChat/history.html

Scores

EPSS 0.0307
EPSS Percentile 85.9%

Details

Status published
Products (1)
leafdigital/leafchat 1.7
Published Jun 25, 2000
Tracked Since Feb 18, 2026