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Fixed SNMPv3 msgUserName null terminator out-of-bounds write (#434) #503

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Fixed SNMPv3 msgUserName null terminator out-of-bounds write (#434) #503

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2 changes: 1 addition & 1 deletion addons/snmp/nxd_snmp.c
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Original file line number Diff line number Diff line change
Expand Up @@ -17528,7 +17528,7 @@ INT buffer_length;
/* Get the security username */
/********************************************************/
length = _nx_snmp_utility_octet_get(buffer_ptr, agent_ptr -> nx_snmp_agent_v3_security_user_name,
sizeof(agent_ptr -> nx_snmp_agent_v3_security_user_name), &(agent_ptr -> nx_snmp_agent_v3_security_user_name_size), buffer_length);
sizeof(agent_ptr -> nx_snmp_agent_v3_security_user_name) - 1, &(agent_ptr -> nx_snmp_agent_v3_security_user_name_size), buffer_length);

#ifdef NX_SNMPV3_PRINT_DEBUG_MESSAGE
NX_SNMPV3_DBG_PRINTF("Security name parsed: %s Size: %d\n\r", &agent_ptr -> nx_snmp_agent_v3_security_user_name[0], agent_ptr -> nx_snmp_agent_v3_security_user_name_size);
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