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Fix bsnmpd remote denial of service vulnerability.

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Reported by:	dinoex
Submitted by:	harti
Security:	FreeBSD-SA-14:01.bsnmpd
Security:	CVE-2014-1452
This commit is contained in:
Xin LI 2014-01-14 18:58:57 +00:00
parent 9622238c09
commit ecd241b619
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=260636
1 changed files with 5 additions and 0 deletions
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5
contrib/bsnmp/lib/snmpagent.c
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@ -510,6 +510,11 @@ snmp_getbulk(struct snmp_pdu *pdu, struct asn_buf *resp_b,
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);