62829 : XnView DICOM File Handling Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
5	973	over 3 years ago	about 3 years ago	7 times	100%

Timeline

Disclosure Date
2010-03-10

Time to Patch	Time to Vendor Response
67 days	7 days

Description

XnView is prone to an integer overflow condition. The application fails to properly sanitize user-supplied input related to a DICOM image's dimensions resulting in a heap-based overflow. With a specially crafted file, a remote attacker can potentially cause arbitrary code execution.

Classification

Location: Local / Remote, Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified, Vendor Verified, Coordinated Disclosure

Solution

Upgrade to version 1.97.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

XnView

XnView Standard

1.97

References

CVE ID: 2009-4001 (see also: NVD)
Secunia Advisory ID: 37673
Bugtraq ID: 38629
ISS X-Force ID: 56802
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2010-03/0095.html
Vendor Specific News/Changelog Entry: http://newsgroup.xnview.com/viewtopic.php?f=35&t=19469
http://newsgroup.xnview.com/viewtopic.php?f=35&t=19469
Other Advisory URL: http://secunia.com/secunia_research/2009-60/

Credit

Stefan Cornelius - Secunia Research

CVSSv2 Score

CVSSv2 Base Score = 9.3
Source: nvd.nist.gov | Generated: 2010-03-15 | Disagree?

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