Secunia Research: Csound lpci_import Buffer Overflow Vulnerability

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                     Secunia Research 04/04/2012

        - Csound lpci_import Buffer Overflow Vulnerability -

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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 

* Csound 5.16.6

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Moderately critical
Impact: System access
Where:  Remote

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3) Vendor's Description of Software 

"Csound is a sound design, audio synthesis, and signal processing
system, providing facilities for music composition and performance
on all major operating systems and platforms.".

Product Link:
http://www.csounds.com/

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4) Description of Vulnerability

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

The vulnerability is caused due to a boundary error within the 
"main()" function (util/lpci_main.c) and can be exploited to cause a 
stack-based buffer overflow.

Successful exploitation allows execution of arbitrary code, but 
requires tricking a user into converting a malicious file.

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5) Solution 

Update to version 5.17.2.

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6) Time Table 

19/01/2012 - Vendor notified.
20/03/2012 - Vendor releases fixed version.
04/04/2012 - Public disclosure.

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7) Credits 

Discovered by Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has not yet
assigned a CVE idenfier for the vulnerability.

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9) About Secunia

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2012-4/

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

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