CVE-2003-0770

IkonBoard <= 3.1.2a - Remote Code Execution via Lang Cookie Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2003-0770. PoCs published by snooq, Nick Cleaton.

AI-analyzed exploit summary This Perl script exploits CVE-2003-0770, an arbitrary command execution vulnerability in IkonBoard 3.1.1 due to insufficient sanitization of user-supplied cookie data. The exploit injects a malicious payload into the 'lang' cookie, which is then executed by the vulnerable CGI script.

Description

FUNC.pm in IkonBoard 3.1.2a and earlier, including 3.1.1, does not properly cleanse the "lang" cookie when it contains illegal characters, which allows remote attackers to execute arbitrary code when the cookie is inserted into a Perl "eval" statement.

Exploits (2)

exploitdb WORKING POC VERIFIED
by snooq · perlwebappscgi
https://www.exploit-db.com/exploits/22500

This Perl script exploits CVE-2003-0770, an arbitrary command execution vulnerability in IkonBoard 3.1.1 due to insufficient sanitization of user-supplied cookie data. The exploit injects a malicious payload into the 'lang' cookie, which is then executed by the vulnerable CGI script.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: IkonBoard 3.1.1
No auth needed
Prerequisites: Network access to the vulnerable IkonBoard instance · Perl environment to run the exploit
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Nick Cleaton · perlwebappscgi
https://www.exploit-db.com/exploits/22499

This Perl script exploits CVE-2003-0770, an arbitrary command execution vulnerability in IkonBoard due to insufficient sanitization of user-supplied cookie data. It sends a maliciously crafted 'lang' cookie to execute arbitrary commands, specifically dumping environment variables in this PoC.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: IkonBoard (version not specified)
No auth needed
Prerequisites: Network access to the target web server · IkonBoard installed and accessible
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=106381136115972&w=2
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/336598
Exploit, Patch, Vendor Advisory mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/317234

Scores

EPSS 0.1081
EPSS Percentile 95.3%

Details

Status published
Products (2)
ikonboard.com/ikonboard 3.1.1
ikonboard.com/ikonboard 3.1.2a
Published Sep 22, 2003
Tracked Since Feb 18, 2026