CVE-2003-0328

EPIC IRC Client <2.002-0 - DoS/Code Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2003-0328. PoCs published by Li0n7.

AI-analyzed exploit summary This exploit demonstrates a stack-based buffer overflow in EPIC4 IRC client (pre2.003) via a maliciously crafted CTCP message. It sets up a fake IRC server to trigger the vulnerability and execute arbitrary shellcode.

Description

EPIC IRC Client (EPIC4) pre2.002, pre2.003, and possibly later versions, allows remote malicious IRC servers to cause a denial of service (crash) and possibly execute arbitrary code via a CTCP request from a large nickname, which causes an incorrect length calculation.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Li0n7 · cremotelinux
https://www.exploit-db.com/exploits/23366

This exploit demonstrates a stack-based buffer overflow in EPIC4 IRC client (pre2.003) via a maliciously crafted CTCP message. It sets up a fake IRC server to trigger the vulnerability and execute arbitrary shellcode.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: EPIC4 IRC client pre2.003
No auth needed
Prerequisites: Network access to target · Target must connect to malicious IRC server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Patch, Vendor Advisory x_refsource_confirm
ftp://ftp.prbh.org/pub/epic/patches/alloca_underrun-patch-1
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2003/dsa-306
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2003-342.html
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2003/dsa-399

Scores

EPSS 0.0862
EPSS Percentile 94.4%

Details

Status published
Products (2)
epic/epic4 pre2.002
epic/epic4 pre2.003
Published Jun 09, 2003
Tracked Since Feb 18, 2026