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Insecure Library Loading
Moderately critical

Python audioop Module Integer Overflow Vulnerabilities

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Release Date:  2010-05-26    Last Update:  2010-06-15    Views:  4,185

Secunia Advisory SA39937

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Workaround

CVE Reference(s):

Description


Some vulnerabilities have been reported in Python, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.

The vulnerabilities are caused due to various integer overflows in the "audioop_tostereo()", "audioop_lin2lin()", and "audioop_ratecv()" functions within audioop.c of the audioop module. These can be exploited to e.g. cause heap-based buffer overflows.

The vulnerabilities may be related to:
SA31305

NOTE: The "audioop_ulaw2lin()", "audioop_alaw2lin()", and "audioop_adpcm2lin()" functions also contain integer overflows, but may not lead to buffer overflows.


Solution:
Fixed in the SVN repository.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Red Hat Security Response Team

Original Advisory:
Red Hat Bug #590690:
https://bugzilla.redhat.com/show_bug.cgi?id=590690

Python Issue #8674:
http://bugs.python.org/issue8674

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Python audioop Module Integer Overflow Vulnerabilities

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