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Cisco IP Phone 7921 Insecure PEAP Implementation
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Secunia Advisory:
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SA29082
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Release Date:
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2008-02-27
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Last Update:
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2008-03-05
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Popularity:
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6,436 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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Unpatched
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| OS: | Cisco IP Phone 7921
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| CVE reference: | CVE-2008-1113
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Description:
A security issue has been reported in Cisco IP Phone 7921, which potentially can be exploited by malicious people to disclose sensitive information.
The problem is that server certificates are not validated when using the PEAP protocol. This can be exploited to e.g. gain knowledge of authentication credentials when a user is tricked into connecting to a malicious authentication server.
Solution:
The vendor is reportedly working on a update and recommends using EAP-TLS instead of PEAP.
Provided and/or discovered by:
Unknown researchers reported via ZDNet's Zero Day blog.
Changelog:
2008-03-05: Added CVE reference.
Other References:
http://blogs.zdnet.com/security/?p=896
http://blogs.zdnet.com/security/?p=901
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About this Secunia Advisory
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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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