CVE-1999-0968

james_seter/bnc_irc < 2.2.4 - Buffer Overflow

Title source: llm

Exploitation Summary

EIP tracks 2 public exploits for CVE-1999-0968. PoCs published by jamez & dumped, duke.

AI-analyzed exploit summary This exploit targets a buffer overflow in BNC IRC Proxy (version 2.2.4) by sending a maliciously crafted USER command. It overwrites the return address on the stack to execute shellcode that binds a shell to a high port (10752).

Description

Buffer overflow in BNC IRC proxy allows remote attackers to gain privileges.

Exploits (2)

exploitdb WORKING POC VERIFIED

by jamez & dumped · cremoteunix

https://www.exploit-db.com/exploits/20395

View Code ZIP pw:eip

This exploit targets a buffer overflow in BNC IRC Proxy (version 2.2.4) by sending a maliciously crafted USER command. It overwrites the return address on the stack to execute shellcode that binds a shell to a high port (10752).

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: BNC IRC Proxy 2.2.4

No auth needed

Prerequisites: Network access to the target BNC IRC Proxy · Ability to send raw IRC commands to the proxy

MITRE ATT&CK

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

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

exploitdb WORKING POC VERIFIED

by duke · cremoteunix

https://www.exploit-db.com/exploits/20394

View Code ZIP pw:eip

This exploit targets a buffer overflow vulnerability in BNC's IRC Proxy (versions < 2.4.4) by overflowing the USER command input buffer. It includes shellcode to spawn a shell, with separate implementations for Linux and FreeBSD.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: BNC IRC Proxy < 2.4.4

No auth needed

Prerequisites: Network access to the vulnerable BNC IRC Proxy · Target system without stack non-executable patch

MITRE ATT&CK

T1190 - Exploit Public-Facing Application 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/1927

Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq

http://www.securityfocus.com/archive/1/11711

Third Party Advisory, VDB Entry vdb-entry x_refsource_xf

https://exchange.xforce.ibmcloud.com/vulnerabilities/1546

Scores

EPSS 0.0319

EPSS Percentile 86.5%

Details

Status published

Products (1)

james_seter/bnc_irc < 2.2.4

Published Dec 26, 1998

Tracked Since Feb 18, 2026