Microsoft Help Workshop up to 4.03.0002 CNT File stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Microsoft Help Workshop up to 4.03.0002. The affected element is an unknown function of the component CNT File Handler. Executing a manipulation can lead to stack-based overflow. This vulnerability is handled as CVE-2007-0352. Additionally, an exploit exists. It is best to exchange the affected component with an alternative.

Detailsinfo

A vulnerability has been found in Microsoft Help Workshop up to 4.03.0002 and classified as problematic. This vulnerability affects an unknown part of the component CNT File Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted remote attackers to execute arbitrary code via a crafted .cnt file composed of lines that begin with an integer followed by a space and a long string.

The bug was discovered 01/17/2007. The weakness was released 01/22/2007 by porkythepig as not defined posting (Bugtraq). The advisory is available at archives.neohapsis.com. This vulnerability was named CVE-2007-0352 since 01/18/2007. The attack needs to be done within the local network. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in C++ and been published even before and not after the advisory. It is possible to download the exploit at anspi.pl. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at windowsupdate.microsoft.com. The problem might be mitigated by replacing the product with as an alternative. The best possible mitigation is suggested to be establishing an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11852.

The vulnerability is also documented in the databases at X-Force (31555), Exploit-DB (3149), SecurityFocus (BID 22100†), OSVDB (31898†) and Secunia (SA23862†). Entry connected to this vulnerability is available at VDB-2867. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Saint ID: exploit_info/microsoft_help_workshop_cnt
Saint Name: Microsoft Help Workshop .CNT file buffer overflow

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Alternative
Status: 🔍

0-Day Time: 🔍

Patch: windowsupdate.microsoft.com
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

01/17/2007 🔍
01/17/2007 +0 days 🔍
01/17/2007 +0 days 🔍
01/18/2007 +1 days 🔍
01/18/2007 +0 days 🔍
01/18/2007 +0 days 🔍
01/19/2007 +1 days 🔍
01/22/2007 +3 days 🔍
01/22/2007 +0 days 🔍
01/22/2007 +0 days 🔍
01/22/2007 +0 days 🔍
01/24/2007 +1 days 🔍
08/18/2024 +6416 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: archives.neohapsis.com
Researcher: porkythepig
Status: Not defined

CVE: CVE-2007-0352 (🔍)
GCVE (CVE): GCVE-0-2007-0352
GCVE (VulDB): GCVE-100-2866
X-Force: 31555 - Microsoft HTML Help Workshop .CNT files buffer overflow, High Risk
SecurityFocus: 22100 - Microsoft Help Workshop .CNT File Buffer Overflow Vulnerability
Secunia: 23862 - Microsoft Help Workshop Two Buffer Overflow Vulnerabilities, Moderately Critical
OSVDB: 31898 - Microsoft Help Workshop Crafted .cnt File Handling Overflow
SecurityTracker: 1017530
Vulnerability Center: 14098 - Microsoft Help Workshop Code Execution via .CNT File, Medium

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

Entryinfo

Created: 01/24/2007 14:08
Updated: 08/18/2024 09:50
Changes: 01/24/2007 14:08 (99), 07/13/2019 22:30 (2), 08/18/2024 09:50 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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