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Asterisk IAX2 Channel Driver Information Disclosure
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Secunia Advisory:
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SA25134
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Release Date:
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2007-05-07
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Popularity:
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5,752 views
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Critical:
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Less critical
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Impact:
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Exposure of sensitive information
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Where:
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From local network
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Solution Status:
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Vendor Workaround
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| Software: | Asterisk 1.x
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| CVE reference: | CVE-2007-2488
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Description:
A vulnerability has been reported in Asterisk, which can be exploited by malicious users to disclose potential sensitive information.
The vulnerability is caused due to an error within the IAX2 channel driver (chan_iax2) in the processing of text frames. This can be exploited to disclose potentially sensitive heap memory by sending a text frame with content that is not NULL terminated.
The vulnerability affects the following versions:
* Asterisk Open Source 1.2.x and 1.4.x (all releases prior 1.2.19 and 1.4.5)
* Asterisk Business Edition A.x.x (all releases)
* Asterisk Business Edition B.x.x (all releases prior to B.2.1)
* AsteriskNOW pre-release (all releases prior to and including Beta 5)
* Asterisk Appliance Developer Kit (all releases prior to 0.4.1)
Solution:
Fixed in the Subversion repository.
Provided and/or discovered by:
The vendor credits Tim Panton and Birgit Arkesteijn.
Original Advisory:
http://ftp.digium.com/pub/asa/ASA-2007-013.pdf
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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