Gadu-Gadu Instant Messenger authentication spoofing

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Gadu-Gadu Instant Messenger. It has been classified as critical. Impacted is an unknown function. This manipulation causes authentication spoofing. This vulnerability appears as CVE-2004-2530. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in Gadu-Gadu Instant Messenger (Messaging Software) (unknown version) and classified as problematic. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a authentication spoofing vulnerability. The CWE definition for the vulnerability is CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. As an impact it is known to affect integrity. The summary by CVE is:

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.

The weakness was presented 08/24/2004 by Bartosz Kwitkowski (Website). The advisory is shared at seclists.org. This vulnerability is known as CVE-2004-2530 since 10/25/2005. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (17105), Exploit-DB (24404), SecurityFocus (BID 11017†), OSVDB (9162†) and SecurityTracker (ID 1011037†). See VDB-23412 for similar entry. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

08/23/2004 🔍
08/24/2004 +1 days 🔍
08/24/2004 +0 days 🔍
08/24/2004 +0 days 🔍
08/24/2004 +0 days 🔍
12/31/2004 +128 days 🔍
10/25/2005 +298 days 🔍
03/09/2015 +3422 days 🔍
09/04/2025 +3832 days 🔍

Sourcesinfo

Advisory: seclists.org
Researcher: Bartosz Kwitkowski
Status: Not defined

CVE: CVE-2004-2530 (🔍)
GCVE (CVE): GCVE-0-2004-2530
GCVE (VulDB): GCVE-100-23413
X-Force: 17105 - Gadu-Gadu could allow an attacker to spoof the file extension of a downloadable file
SecurityFocus: 11017 - Gadu-Gadu File Download Filename Obfuscation Weakness
OSVDB: 9162 - Gadu-Gadu Client File Extension Spoofing
SecurityTracker: 1011037 - Gadu-Gadu File Downloading Dialog Lets Remote Authenticated Users Spoof the File Extension

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/09/2015 16:55
Updated: 09/04/2025 16:21
Changes: 03/09/2015 16:55 (56), 07/19/2017 09:49 (7), 09/04/2025 16:21 (23)
Complete: 🔍
Cache ID: 216::103

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