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Ethereal SMB and Q.931 Protocol Dissector Vulnerabilities
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Secunia Advisory:
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SA10424
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Release Date:
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2003-12-13
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Last Update:
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2004-01-05
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Popularity:
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9,675 views
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Critical:
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Less critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Wireshark (formerly Ethereal) 0.x
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| CVE reference: | CVE-2003-1012
CVE-2003-1013
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Description:
Two vulnerabilities have been reported in Ethereal, which can be exploited by malicious people to crash the application.
An unspecified error can be exploited to cause a segmentation fault, if a user selects "Match->Selected" or "Prepare->Selected" for a malformed SMB packet. It is reportedly not known, whether this issue also can be exploited to execute arbitrary code on an affected system.
A NULL pointer dereference bug in the Q.931 protocol dissector can be exploited to crash Ethereal / Tethereal by sending a malformed packet.
Solution:
Update to version 0.10.1.
http://www.ethereal.com/download.html
Disable SMB and Q.931 protocol dissectors.
Provided and/or discovered by:
Reported by vendor.
Changelog:
2004-01-05: Added CVE references.
Original Advisory:
http://www.ethereal.com/appnotes/enpa-sa-00012.html
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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.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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