Khaled Mardam-Bey mIRC 6.1/6.11 DCC SEND memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Khaled Mardam-Bey mIRC 6.1/6.11. It has been rated as problematic. Affected is an unknown function of the component DCC SEND. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2003-1512. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is recommended to disable the affected component.

Detailsinfo

A vulnerability was found in Khaled Mardam-Bey mIRC 6.1/6.11 (Chat Software) and classified as critical. This issue affects an unknown function of the component DCC SEND. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in mIRC 6.1 and 6.11 allows remote attackers to cause a denial of service (crash) via a long DCC SEND request.

The bug was discovered 10/14/2003. The weakness was shared 10/13/2003 by Takara Takaishi (Website). The advisory is shared at irchelp.org. The identification of this vulnerability is CVE-2003-1512 since 10/25/2007. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at securiteam.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at irchelp.org.

The vulnerability is also documented in the databases at X-Force (13427), Exploit-DB (23240), SecurityFocus (BID 8818†), OSVDB (2663†) and Secunia (SA10000†). heise.de is providing further details. The entry VDB-330 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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: Memory corruption
CWE: CWE-119
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: Disable
Status: 🔍

0-Day Time: 🔍

Patch: irchelp.org

Timelineinfo

10/13/2003 🔍
10/13/2003 +0 days 🔍
10/13/2003 +0 days 🔍
10/13/2003 +0 days 🔍
10/14/2003 +0 days 🔍
12/31/2003 +78 days 🔍
10/25/2007 +1394 days 🔍
02/02/2025 +6310 days 🔍

Sourcesinfo

Advisory: irchelp.org
Researcher: Takara Takaishi
Status: Confirmed

CVE: CVE-2003-1512 (🔍)
GCVE (CVE): GCVE-0-2003-1512
GCVE (VulDB): GCVE-100-329
X-Force: 13427 - mIRC Direct Client Connection request can cause client denial of service, Medium Risk
SecurityFocus: 8818 - mIRC DCC SEND Buffer Overflow Vulnerability
Secunia: 10000 - mIRC Unspecified DCC Request Vulnerability, Less Critical
OSVDB: 2663 - mIRC Long DCC SEND Request Remote DoS
SecuriTeam: securiteam.com

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

Entryinfo

Created: 10/13/2003 17:19
Updated: 02/02/2025 08:03
Changes: 10/13/2003 17:19 (79), 06/26/2019 17:21 (2), 02/02/2025 08:03 (22)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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