CVE-2001-0050

BitchX - Remote Code Execution via Long DNS Hostname

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2001-0050. PoCs published by nimrood.

AI-analyzed exploit summary This exploit demonstrates a DNS buffer overflow in BitchX IRC client (CVE-2001-0050) by crafting malformed DNS packets. It leverages a memcpy overflow in the T_A record processing to achieve remote code execution with the privileges of the BitchX client.

Description

Buffer overflow in BitchX IRC client allows remote attackers to cause a denial of service and possibly execute arbitrary commands via an IP address that resolves to a long DNS hostname or domain name.

Exploits (1)

exploitdb WORKING POC VERIFIED
by nimrood · cremoteunix
https://www.exploit-db.com/exploits/20490

This exploit demonstrates a DNS buffer overflow in BitchX IRC client (CVE-2001-0050) by crafting malformed DNS packets. It leverages a memcpy overflow in the T_A record processing to achieve remote code execution with the privileges of the BitchX client.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: BitchX (all versions up to 1.0c17)
No auth needed
Prerequisites: Control over a malicious DNS server · Victim must perform a DNS lookup (e.g., connecting to an IRC server)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (8)

Core 8
Core References
Exploit mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2000-12/0086.html
Exploit mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2000-12/0081.html
Vendor Advisory vendor-advisory x_refsource_conectiva
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000364
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/2087
Various Sources vendor-advisory x_refsource_mandrake
http://www.linux-mandrake.com/en/security/2000/MDKSA-2000-079.php3
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/5701
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2000-126.html

Scores

EPSS 0.1457
EPSS Percentile 96.2%

Details

Status published
Products (1)
colten_edwards/bitchx 1.0c17
Published Feb 16, 2001
Tracked Since Feb 18, 2026