Khaled Mardam-Bey mIRC 6.0/6.0 1 DDC Server Protocol User information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Khaled Mardam-Bey mIRC 6.0/6.0 1. It has been rated as problematic. Affected is an unknown function of the component DDC Server Protocol Handler. Performing a manipulation results in information disclosure (User). This vulnerability is identified as CVE-2002-0425. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Khaled Mardam-Bey mIRC 6.0/6.0 1 (Chat Software). It has been classified as problematic. This affects an unknown function of the component DDC Server Protocol Handler. The manipulation with an unknown input leads to a information disclosure vulnerability (User). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

mIRC DCC server protocol allows remote attackers to gain sensitive information such as alternate IRC nicknames via a "100 testing" message in a DCC connection request that cannot be ignored or canceled by the user, which may leak the alternate nickname in a response message.

The bug was discovered 03/06/2002. The weakness was released 03/06/2004 by James Evans (Website). The advisory is shared at archives.neohapsis.com. This vulnerability is uniquely identified as CVE-2002-0425. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but an exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 159 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38090 (mIRC DCC Nick Disclosure Vulnerability).

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 (8393), SecurityFocus (BID 4247†), OSVDB (5301†) and Vulnerability Center (SBV-6613†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
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

Name: User
Class: Information disclosure / User
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

03/06/2002 🔍
03/06/2002 +0 days 🔍
03/07/2002 +1 days 🔍
08/12/2002 +158 days 🔍
03/06/2004 +572 days 🔍
03/06/2004 +0 days 🔍
04/09/2004 +33 days 🔍
12/28/2004 +263 days 🔍
07/22/2014 +3493 days 🔍
09/17/2025 +4075 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: James Evans
Status: Not defined

CVE: CVE-2002-0425 (🔍)
GCVE (CVE): GCVE-0-2002-0425
GCVE (VulDB): GCVE-100-18501
X-Force: 8393
SecurityFocus: 4247 - mIRC DCC Nick Disclosure Vulnerability
OSVDB: 5301 - mIRC DCC Server Protocol Nickname Disclosure
Vulnerability Center: 6613 - Khaled Mardam-Bey mIRC 6.0, 6.0 1 Allows Obtaining Information via DCC Protocol, Medium

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

Entryinfo

Created: 07/22/2014 20:58
Updated: 09/17/2025 12:58
Changes: 07/22/2014 20:58 (65), 06/03/2019 22:37 (1), 09/17/2025 12:58 (18)
Complete: 🔍
Cache ID: 216::103

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