Hex Workshop .cmap file buffer overflow

hexworkshop-cmap-bo (47630)

High Risk

Description:

Hex Workshop is vulnerable to a heap-based buffer overflow, caused by improper bounds checking of Color Mapping (.cmap) files. By persuading a victim to open a specially-crafted .cmap file, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

*CVSS:

Base Score:	6.8
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	5.3
Exploitability:	Proof-of-Concept
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of Hex Workshop (6.0.1 or later), available from the BreakPoint Software Web site. See References.

References:

• BreakPoint Software Web site: Hex Workshop v6.0.1 - January 2009.
• BreakPoint Software Web site: Hex Workshop: Hex Editor, Sector Editor, Base Converter and Hex Calulator for Windows.
• BID-33023: BreakPoint Software Hex Workshop CMAP File Handling Buffer Overflow Vulnerability
• CVE-2008-5756: Buffer overflow in BreakPoint Software Hex Workshop 5.1.4 allows user-assisted attackers to cause a denial of service and possibly execute arbitrary code via a long mapping reference in a Color Mapping (.cmap) file.
• SA33327: Hex Workshop Color Map Buffer Overflow Vulnerability
• VUPEN/ADV-2008-3519: Hex Workshop Color Mapping File Handling Buffer Overflow Vulnerability

Platforms Affected:

• BreakPoint Software Hex Workshop 5.1.4

Reported:

Dec 28, 2008

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For corrections or additions please email xforce@iss.net

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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.

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