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Autonomy KeyView wkssr.dll Integer Underflow Vulnerability

Autonomy KeyView wkssr.dll Integer Underflow Vulnerability
Posted Jul 28, 2010
Authored by Carsten Eiram | Site secunia.com

Secunia Research has discovered a vulnerability in Autonomy KeyView, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system. The vulnerability is caused by an integer underflow error in the SpreadSheet Lotus 123 reader (wkssr.dll) when parsing the size of a specific record type. This can be exploited to cause a heap-based buffer overflow via a specially crafted file. Successful exploitation may allow execution of arbitrary code. Autonomy KeyView versions 10.4 and 10.9 are affected.

tags | advisory, denial of service, overflow, arbitrary
advisories | CVE-2010-1525
SHA-256 | 29ad95481579f1764c96d5a3b905c173447d7638ad22ab0b3fad3310e1033f40

Autonomy KeyView wkssr.dll Integer Underflow Vulnerability

Change Mirror Download
====================================================================== 

Secunia Research 28/07/2010

- Autonomy KeyView wkssr.dll Integer Underflow Vulnerability -

======================================================================
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

======================================================================
1) Affected Software

* Autonomy KeyView 10.4 and 10.9

NOTE: Other versions may also be affected.

======================================================================
2) Severity

Rating: Moderately critical
Impact: Denial of Service
System compromise
Where: Remote

======================================================================
3) Vendor's Description of Software

"KeyView IDOL Viewing SDK allows you to build applications with
high-fidelity viewing and printing capabilities for the word
processing, spreadsheet, presentation, graphic, multimedia,
compression and encoding formats that contain the information your
end-users need to access.".

Product Link:
http://www.autonomy.com/content/Products/idol-modules-keyview-viewing
/index.en.html

======================================================================
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Autonomy KeyView,
which can be exploited by malicious people to cause a DoS (Denial of
Service) and potentially compromise a vulnerable system.

The vulnerability is caused by an integer underflow error in the
SpreadSheet Lotus 123 reader (wkssr.dll) when parsing the size of a
specific record type. This can be exploited to cause a heap-based
buffer overflow via a specially crafted file.

Successful exploitation may allow execution of arbitrary code.

======================================================================
5) Solution

Apply patches available from the vendor.

======================================================================
6) Time Table

22/03/2010 - Vendor notified.
12/04/2010 - Status update requested.
16/04/2010 - Vendor provides status update.
28/07/2010 - Public disclosure.

======================================================================
7) Credits

Discovered by Carsten Eiram, Secunia Research.

======================================================================
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2010-1525 for the vulnerability.

======================================================================
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
database as a service to the security community and private
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

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/

======================================================================
10) Verification

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2010-49/

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

======================================================================
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