BlueSky BlueSkychat 8.1.2.0 ActiveX Control v2.ocx second heap-based overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.0 | $0-$5k | 0.00 |
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 vulnerability database at X-Force (35699).
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.0
VulDB Base Score: 5.3
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
07/31/2007 🔍07/31/2007 🔍
08/03/2007 🔍
08/03/2007 🔍
08/03/2007 🔍
08/03/2011 🔍
03/15/2015 🔍
07/21/2021 🔍
Sources
Advisory: xforce.iss.netOrganization: Code Audit Labs
Status: Not defined
CVE: CVE-2007-4145 (🔍)
X-Force: 35699
Vulnerability Center: 32546 - Blueskychat 8.1.2.0 and earlier Remote Arbitrary Code Execution Vulnerability via a Long String, Medium
SecurityFocus: 25149 - BlueSkyChat ActiveX Control Buffer Overflow Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/15/2015 15:58Updated: 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: 🔍
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