The branch main has been updated by syrinx:
URL:
https://cgit.FreeBSD.org/src/commit/?id=8b959dd6a3921c35395bef4a6d7ad2426a3bd88e
commit 8b959dd6a3921c35395bef4a6d7ad2426a3bd88e
Author: Shteryana Shopova <syr...@freebsd.org>
AuthorDate: 2021-10-01 11:10:39 +0000
Commit: Shteryana Shopova <syr...@freebsd.org>
CommitDate: 2021-10-01 11:10:39 +0000
Fix bsnmpd(1) crash with ill-formed Discovery message
RFC 3414 Section 4. Discovery specifies that a discovery request message
has a
varBindList left empty. Nonetheless, bsnmpd(1) should not crash when
receiving
a non-zero var-bindings list in a Discovery Request message.
PR: 255214
MFC after: 2 weeks
---
contrib/bsnmp/snmpd/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/contrib/bsnmp/snmpd/main.c b/contrib/bsnmp/snmpd/main.c
index b07308165ddd..928b84121f82 100644
--- a/contrib/bsnmp/snmpd/main.c
+++ b/contrib/bsnmp/snmpd/main.c
@@ -641,7 +641,7 @@ decoded:
pdu->engine.engine_boots = snmpd_engine.engine_boots;
pdu->engine.engine_time = snmpd_engine.engine_time;
}
- } else if (usm_user->suser.auth_proto != SNMP_AUTH_NOAUTH &&
+ } else if (pdu->user.auth_proto != SNMP_AUTH_NOAUTH &&
(pdu->engine.engine_boots == 0 || pdu->engine.engine_time == 0)) {
snmpd_usmstats.not_in_time_windows++;
ret = SNMPD_INPUT_FAILED;
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