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l2tpns Heartbeat Packets Buffer Overflow Vulnerability
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Secunia Advisory:
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SA23230
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Release Date:
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2006-12-05
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Last Update:
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2006-12-08
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Popularity:
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5,075 views
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Critical:
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Moderately critical
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Impact:
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System access
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| Software: | l2tpns 2.x
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| CVE reference: | CVE-2006-6362
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Description:
Rhys Kidd has reported a vulnerability in l2tpns, which potentially can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error within the "cluster_process_heartbeat()" function in cluster.c. This can be exploited to cause a buffer overflow by sending a specially crafted heartbeat packet.
The vulnerability is reported in versions prior to 2.1.21.
Solution:
Update to version 2.1.21.
Provided and/or discovered by:
Rhys Kidd
Changelog:
2006-12-08: Added CVE reference.
Original Advisory:
http://sourceforge.net/project/showno...?group_id=97282&release_id=468202
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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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