CVE-2004-2530

Gadu-Gadu - Filename Extension Spoofing via Space Character Truncation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2004-2530. PoCs published by Bartosz Kwitkowski.

AI-analyzed exploit summary This is a writeup describing a file extension obfuscation weakness in Gadu-Gadu, allowing attackers to disguise executable files as harmless by appending URL-encoded spaces and misleading text before the actual extension.

Description

Visual truncation vulnerability in Gadu-Gadu allows remote attackers to spoof the file extension on transmitted files via a filename with a large number of spaces followed by the real extension, which is not displayed in the dialog box.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Bartosz Kwitkowski · textremotewindows
https://www.exploit-db.com/exploits/24404

This is a writeup describing a file extension obfuscation weakness in Gadu-Gadu, allowing attackers to disguise executable files as harmless by appending URL-encoded spaces and misleading text before the actual extension.

Classification
Writeup 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Gadu-Gadu instant messenger (version not specified)
No auth needed
Prerequisites: Ability to send files via Gadu-Gadu
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/17105
Exploit mailing-list x_refsource_vuln-dev
http://seclists.org/lists/vuln-dev/2004/Aug/0007.html
Exploit vdb-entry x_refsource_osvdb
http://www.osvdb.org/9162
Exploit vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1011037
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/11017

Scores

EPSS 0.0204
EPSS Percentile 78.7%

Details

Status published
Published Dec 31, 2004
Tracked Since Feb 18, 2026