A vulnerability has been reported in Net-snmp, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an integer overflow error within the "netsnmp_create_subtree_cache()" function in agent/snmp_agent.c. This can be exploited to cause a crash via a specially crafted SNMP GETBULK request.
The vulnerability is reported in 5.2.x versions prior to 220.127.116.11, 5.3.x versions prior to 18.104.22.168, and 5.4.x versions prior to 22.214.171.124.
Solution: Update to version 126.96.36.199, 188.8.131.52, or 184.108.40.206.
Provided and/or discovered by: Oscar Mira-Sanchez, reported via ZDI.
Original Advisory: http://sourceforge.net/forum/forum.php?forum_id=882903
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Subject: Net-snmp GETBULK Integer Overflow Denial of Service
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