Microsoft HTML Help Workshop .hhp file buffer overflow
| mshtmlhelp-workshop-hhp-bo (24481) |  High Risk |
Description:
Microsoft HTML Help Workshop is vulnerable to a stack-based buffer overflow, caused by improper bounds of .hhp files. By creating a malicious .hhp file with an overly long "Contents file" field, a remote attacker could overflow a buffer and execute arbitrary code on a victim's system, once the victim opens the malicious file. An attacker could exploit this vulnerability by hosting the file on a Web site or sending it to a victim as an email attachment.
*CVSS:
| Base Score: | 5.6 |
| Access Vector: | Remote |
| Access Complexity: | High |
| Authentication: | Not Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 4.5 |
| Exploitability: | Unproven |
| Remediation Level: | Unavailable |
| Report Confidence: | Uncorroborated |
Consequences:
Gain Access
Remedy:
No remedy available as of September 4, 2010.
References:
- bratax.be Security Advisory B008: Microsoft HTML Help Workshop .hhp File Processing Buffer Overflow Lets Remote User Execute Arbitrary Code.
- Microsoft Corporation Web site: HTML Help Workshop and Documentation.
- CVE-2006-0564: Stack-based buffer overflow in Microsoft HTML Help Workshop 4.74.8702.0, and possibly earlier versions, and as included in the Microsoft HTML Help 1.4 SDK, allows context-dependent attackers to execute arbitrary code via a .hhp file with a long Contents file field.
- OSVDB ID: 22941: Microsoft HTML Help Workshop .hhp Parsing Overflow
- SA18740: Microsoft HTML Help Workshop ".hhp" Parsing Buffer Overflow
- SECTRACK ID: 1015585: Microsoft HTML Help Workshop Buffer Overflow in Processing .hhp Files Lets Remote User Execute Arbitrary Code
- US-CERT VU#124460: Microsoft HTML Help Workshop buffer overflow
- VUPEN/ADV-2006-0446: Microsoft HTML Help Workshop Multiple File Handling Buffer Overflow Vulnerabilities
Platforms Affected:
- Microsoft Windows 2000
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows 98SE
- Microsoft Windows Me
- Microsoft Windows NT 4.0
- Microsoft Windows XP
Reported:
Feb 06, 2006
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.