Author: delphij
Date: Tue Jan 14 18:58:57 2014
New Revision: 260636
URL: http://svnweb.freebsd.org/changeset/base/260636
Log:
Fix bsnmpd remote denial of service vulnerability.
Reported by: dinoex
Submitted by: harti
Security: FreeBSD-SA-14:01.bsnmpd
Security: CVE-2014-1452
Modified:
head/contrib/bsnmp/lib/snmpagent.c
Modified: head/contrib/bsnmp/lib/snmpagent.c
==============================================================================
--- head/contrib/bsnmp/lib/snmpagent.c Tue Jan 14 18:45:32 2014
(r260635)
+++ head/contrib/bsnmp/lib/snmpagent.c Tue Jan 14 18:58:57 2014
(r260636)
@@ -510,6 +510,11 @@ snmp_getbulk(struct snmp_pdu *pdu, struc
for (cnt = 0; cnt < pdu->error_index; cnt++) {
eomib = 1;
for (i = non_rep; i < pdu->nbindings; i++) {
+
+ if (resp->nbindings == SNMP_MAX_BINDINGS)
+ /* PDU is full */
+ goto done;
+
if (cnt == 0)
result = do_getnext(&context, &pdu->bindings[i],
&resp->bindings[resp->nbindings], pdu);
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