AOL ICQ up to 2003b Build 3916 MCRegEx__Search memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.12

Summaryinfo

A vulnerability marked as critical has been reported in AOL ICQ up to 2003b Build 3916. This impacts the function MCRegEx__Search. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2006-4662. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in AOL ICQ up to 2003b Build 3916 (Messaging Software). It has been classified as critical. This affects the function MCRegEx__Search. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in the MCRegEx__Search function in AOL ICQ Pro 2003b Build 3916 and earlier allows remote attackers to execute arbitrary code via an inconsistent length field of a Message in a 0x2711 Type-Length-Value (TLV) type.

The bug was discovered 07/27/2006. The weakness was disclosed 09/08/2006 by Luciana Tabo, Lucas Lavarello, Sebastian Cufre and Ez with Core Secuity Technologies (Website). The advisory is shared at coresecurity.com. This vulnerability is uniquely identified as CVE-2006-4662 since 09/08/2006. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 43 days. During that time the estimated underground price was around $25k-$100k.

Upgrading to version 5.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at icq.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (28835), SecurityFocus (BID 19897†), OSVDB (28645†), Secunia (SA21834†) and Vulnerability Center (SBV-15479†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
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: Memory corruption
CWE: CWE-119
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ICQ 5.1
Patch: icq.com

Timelineinfo

07/27/2006 🔍
09/07/2006 +42 days 🔍
09/07/2006 +0 days 🔍
09/08/2006 +1 days 🔍
09/08/2006 +0 days 🔍
09/08/2006 +0 days 🔍
09/08/2006 +0 days 🔍
09/08/2006 +0 days 🔍
09/11/2006 +2 days 🔍
07/01/2007 +293 days 🔍
01/14/2025 +6407 days 🔍

Sourcesinfo

Vendor: aol.com

Advisory: coresecurity.com
Researcher: Luciana Tabo, Lucas Lavarello, Sebastian Cufre, Ez
Organization: Core Secuity Technologies
Status: Confirmed

CVE: CVE-2006-4662 (🔍)
GCVE (CVE): GCVE-0-2006-4662
GCVE (VulDB): GCVE-100-2517
CERT: 🔍
X-Force: 28835 - ICQ Pro MCRegEx__Search() buffer overflow, High Risk
SecurityFocus: 19897 - ICQ MCRegEx__Search Remote Heap Buffer Overflow Vulnerability
Secunia: 21834
OSVDB: 28645 - ICQ Pro 2003b MCRegEx__Search Routine Remote Overflow
Vulnerability Center: 15479 - Mirabilis ICQ Buffer Overflow Allows Remote Attacker to Execute Arbitrary Code and Cause DoS, High
Vupen: ADV-2006-3527

Entryinfo

Created: 09/11/2006 11:12
Updated: 01/14/2025 05:52
Changes: 09/11/2006 11:12 (80), 01/14/2025 05:52 (17)
Complete: 🔍
Cache ID: 216:A21:103

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