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ENet Library Two Denial of Service Vulnerabilities
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Secunia Advisory:
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SA19208
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Release Date:
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2006-03-13
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Last Update:
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2008-01-02
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Popularity:
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6,061 views
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Critical:
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Moderately 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: | ENet Library
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Secunia CVSS-2 Score:
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
Luigi Auriemma has reported two vulnerabilities in ENet Library, which potentially can be exploited by malicious people to cause a DoS (Denial of Service).
1) A signedness error exists in the "enet_protocol_handle_incoming_commands()" function when validating a pointer to ensure that it does not access memory beyond the received packet. This can be exploited to bypass the check and cause out-of-bounds memory access via an overly large value in the "commandLength" field of the packet.
2) An error within the handling of fragmented packet reassembly can be exploited to cause the library to terminate the application when it fails to allocate memory to rebuilt all the fragments. This can be exploited via an overly large total data size value sent by the attacker.
The vulnerabilities have been reported in versions released July 2005 and prior. Other versions may also be affected.
Note: All applications that use the library may be affected.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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