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Secunia Research 04/04/2012
- Csound pv_import Integer 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 an integer overflow error in the
pv_import utility within the "pv_import()" function (util/pv_import.c)
and can be exploited to cause a heap-based buffer overflow.
Successful exploitation may allow execution of arbitrary code, but
requires tricking a user into converting a malicious file.
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5) Solution
Do not process files from untrusted sources.
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6) Time Table
19/01/2012 - Vendor notified.
13/02/2012 - Vendor releases fixed version.
06/03/2012 - Vendor notified regarding incomplete fixes.
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 identifier for the vulnerability.
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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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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/
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10) Verification
Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2012-7/
Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/
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