Khaled Mardam-Bey mIRC 6.0/6.0.1/6.0.2 $asctime 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 has been found in Khaled Mardam-Bey mIRC 6.0/6.0.1/6.0.2 and classified as critical. Affected by this vulnerability is an unknown functionality. The manipulation of the argument $asctime leads to memory corruption. This vulnerability is documented as CVE-2002-1456. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Khaled Mardam-Bey mIRC 6.0/6.0.1/6.0.2 (Chat Software) and classified as critical. This issue affects an unknown part. The manipulation of the argument $asctime 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 6.0.2 and earlier allows remote attackers to execute arbitrary code via a long $asctime value.

The weakness was released 06/09/2003 by Martin as not defined posting (NTBugtraq). It is possible to read the advisory at marc.theaimsgroup.com. The identification of this vulnerability is CVE-2002-1456. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

The exploit is available at securityfocus.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 Exploit-DB (21759) and SecurityFocus (BID 5576†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/27/2002 🔍
06/09/2003 +286 days 🔍
06/09/2003 +0 days 🔍
08/11/2014 +4081 days 🔍
06/28/2025 +3974 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Researcher: Martin
Status: Not defined

CVE: CVE-2002-1456 (🔍)
GCVE (CVE): GCVE-0-2002-1456
GCVE (VulDB): GCVE-100-20471
X-Force: 9970
SecurityFocus: 5576 - mIRC Scripting ASCTime Buffer Overflow Vulnerability

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

Entryinfo

Created: 08/12/2014 00:42
Updated: 06/28/2025 14:05
Changes: 08/12/2014 00:42 (54), 06/13/2018 10:28 (1), 06/28/2021 14:49 (3), 06/28/2025 14:05 (19)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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