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

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Microsoft Help Workshop up to 4.03.0002. The impacted element is an unknown function of the component HPJ File Handler. The manipulation leads to stack-based overflow. This vulnerability is uniquely identified as CVE-2007-0427. Moreover, an exploit is present. It is recommended that the affected component be replaced with an alternative.

Detailsinfo

A vulnerability was found in Microsoft Help Workshop up to 4.03.0002 and classified as critical. This issue affects an unknown code of the component HPJ File Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted remote attackers to execute arbitrary code via a help project (.HPJ) file with a long HLP field in the OPTIONS section.

The bug was discovered 01/17/2006. The weakness was disclosed 01/22/2007 by porkythepig as not defined posting (Bugtraq). It is possible to read the advisory at archives.neohapsis.com. The identification of this vulnerability is CVE-2007-0427 since 01/22/2007. The attack needs to be initiated within the local network. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

After even before and not, there has been an exploit disclosed. The exploit is available at archives.neohapsis.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 365 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. A possible mitigation has been published even before and not after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 9132.

The vulnerability is also documented in the databases at X-Force (31643), Exploit-DB (3149), SecurityFocus (BID 22135†), OSVDB (31899†) and Secunia (SA23862†). The entry VDB-2866 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Stack-based overflow
CWE: CWE-121 / 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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Saint ID: exploit_info/microsoft_help_workshop_hlp
Saint Name: Microsoft Help Workshop .HPJ file HLP field 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

01/17/2006 🔍
01/17/2007 +365 days 🔍
01/17/2007 +0 days 🔍
01/17/2007 +0 days 🔍
01/19/2007 +2 days 🔍
01/22/2007 +3 days 🔍
01/22/2007 +0 days 🔍
01/22/2007 +0 days 🔍
01/22/2007 +0 days 🔍
01/22/2007 +0 days 🔍
01/22/2007 +0 days 🔍
01/24/2007 +1 days 🔍
07/13/2019 +4553 days 🔍

Sourcesinfo

Vendor: microsoft.com

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

CVE: CVE-2007-0427 (🔍)
GCVE (CVE): GCVE-0-2007-0427
GCVE (VulDB): GCVE-100-2867
X-Force: 31643
SecurityFocus: 22135 - Microsoft Help Workshop .HPJ File Buffer Overflow Vulnerability
Secunia: 23862 - Microsoft Help Workshop Two Buffer Overflow Vulnerabilities, Moderately Critical
OSVDB: 31899 - Microsoft Help Workshop HPJ File OPTIONS Section Overflow
Vulnerability Center: 14099 - Microsoft Help Workshop Code Execution via .HPJ File, Medium

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

Entryinfo

Created: 01/24/2007 14:08
Updated: 07/13/2019 22:34
Changes: 01/24/2007 14:08 (92), 07/13/2019 22:34 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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