BlueSky BlueSkychat 8.1.2.0 ActiveX Control v2.ocx second heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in BlueSky BlueSkychat 8.1.2.0. It has been declared as critical. This affects an unknown function of the file v2.ocx of the component ActiveX Control. Such manipulation of the argument second leads to heap-based overflow. This vulnerability is documented as CVE-2007-4145. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in BlueSky BlueSkychat 8.1.2.0 (Chat Software) and classified as critical. Affected by this issue is some unknown processing of the file v2.ocx of the component ActiveX Control. The manipulation of the argument second with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is availability. CVE summarizes:

Heap-based buffer overflow in the BlueSkychat (BlueSkyCat) ActiveX control (V2.V2Ctrl.1) in v2.ocx 8.1.2.0 and earlier allows remote attackers to execute arbitrary code via a long string in the second argument to the ConnecttoServer method.

The weakness was released 08/03/2007 with Code Audit Labs (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is handled as CVE-2007-4145. The attack may be launched remotely. No form of authentication is required for 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 X-Force (35699), SecurityFocus (BID 25149†) and Vulnerability Center (SBV-32546†). Once again VulDB remains the best 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: 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

Class: Heap-based overflow
CWE: CWE-122 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/31/2007 🔍
07/31/2007 +0 days 🔍
08/03/2007 +2 days 🔍
08/03/2007 +0 days 🔍
08/03/2007 +0 days 🔍
08/03/2011 +1461 days 🔍
03/15/2015 +1320 days 🔍
07/21/2021 +2320 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Organization: Code Audit Labs
Status: Not defined

CVE: CVE-2007-4145 (🔍)
GCVE (CVE): GCVE-0-2007-4145
GCVE (VulDB): GCVE-100-38156
X-Force: 35699
SecurityFocus: 25149 - BlueSkyChat ActiveX Control Buffer Overflow Vulnerability
Vulnerability Center: 32546 - Blueskychat 8.1.2.0 and earlier Remote Arbitrary Code Execution Vulnerability via a Long String, Medium

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

Entryinfo

Created: 03/15/2015 15:58
Updated: 07/21/2021 13:09
Changes: 03/15/2015 15:58 (49), 03/29/2017 10:59 (13), 07/21/2021 13:09 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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