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TITLE:
Net-snmp GETBULK Integer Overflow Denial of Service

SECUNIA ADVISORY ID:
SA32560

VERIFY ADVISORY:
http://secunia.com/advisories/32560/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From local network

SOFTWARE:
Net-snmp 5.x
http://secunia.com/advisories/product/419/

DESCRIPTION:
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 5.2.5.1,
5.3.x versions prior to 5.3.2.3, and 5.4.x versions prior to 5.4.2.1.

SOLUTION:
Update to version 5.2.5.1, 5.3.2.3, or 5.4.2.1.

PROVIDED AND/OR DISCOVERED BY:
Oscar Mira-Sanchez, reported via ZDI.

ORIGINAL ADVISORY:
http://sourceforge.net/forum/forum.php?forum_id=882903
http://sourceforge.net/tracker/index.php?func=detail&aid=2205039&group_id=12694&atid=112694

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