CVE-2000-0586

Dalnet IRCd 4.6.5 - Buffer Overflow via SUMMON Command

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-0586. PoCs published by Matt Conover.

AI-analyzed exploit summary This exploit targets a buffer overflow in Dalnet ircd 4.6.5 via the 'summon' command, requiring DNS poisoning and a specially crafted hostname. The PoC demonstrates the overflow but lacks shellcode, making it a theoretical exploit.

Description

Buffer overflow in Dalnet IRC server 4.6.5 allows remote attackers to cause a denial of service or execute arbitrary commands via the SUMMON command.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Matt Conover · cremotelinux
https://www.exploit-db.com/exploits/20043

This exploit targets a buffer overflow in Dalnet ircd 4.6.5 via the 'summon' command, requiring DNS poisoning and a specially crafted hostname. The PoC demonstrates the overflow but lacks shellcode, making it a theoretical exploit.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Complex
Reliability
Theoretical
Target: Dalnet ircd 4.6.5
No auth needed
Prerequisites: DNS poisoning to control hostname · SUMMON feature enabled at compile time
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1404
Third Party Advisory mailing-list x_refsource_vuln-dev
http://archives.neohapsis.com/archives/vuln-dev/2000-q2/1092.html

Scores

EPSS 0.0482
EPSS Percentile 90.9%

Details

Status published
Products (1)
dalnet/ircd 4.6.5
Published Jun 29, 2000
Tracked Since Feb 18, 2026