[Full-disclosure] Secunia Research: UltraISO Image Parsing Buffer Overflow Vulnerabilities



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Secunia Research 01/04/2009

- UltraISO Image Parsing Buffer Overflow Vulnerabilities -

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Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

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1) Affected Software

* UltraISO 9.3.1.2633

NOTE: Other versions may also be affected.

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2) Severity

Rating: Moderately critical
Impact: System compromise
Where: Remote

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3) Vendor's Description of Software

"UltraISO is a powerful and easy-to-use utility that can extract,
create, edit, and convert CD/DVD image files. It can directly edit ISO
files, make images from CD/DVD-ROMs, or create new one from files and
folders on your computer.".

Product Link:
http://www.ezbsystems.com/ultraiso/index.html

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4) Description of Vulnerability

Secunia Research has discovered three vulnerabilities in UltraISO,
which can be exploited by malicious people to compromise a user's
system.

1) A boundary error when parsing CIF files can be exploited to
overflow a global buffer by tricking a user into opening a specially
crafted CIF file.

2) A boundary error when parsing C2D files can be exploited to
overflow a global buffer by tricking a user into opening a specially
crafted C2D file.

3) Insufficient validation when parsing GI files can be exploited to
overflow a global buffer by tricking a user into opening a specially
crafted GI file.

Successful exploitation allows execution of arbitrary code.

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5) Solution

Update to 9.3.3.2685.

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6) Time Table

03/11/2008 - Vendor notified.
05/11/2008 - Vendor response with updated version.
06/11/2008 - Vendor informed that all but one vulnerabilities are
correctly fixed.
07/11/2008 - Vendor provides new version for testing.
07/11/2008 - Vendor informed that all vulnerabilities are now fixed.
31/03/2009 - Secunia notices that the latest version is not affected.
Vendor contacted to receive confirmation that the
reported vulnerabilities are fixed in released version.
31/03/2009 - Vendor confirms having fixed the vulnerabilities.
01/04/2009 - Public disclosure.

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7) Credits

Discovered by Dyon Balding, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2008-4825 for the vulnerabilities.

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9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
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Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

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10) Verification

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2008-49/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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