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When Suricata handles files over SMB, it does not wait for the
NBSS record to be complete, and can stream the payload to the
file... But it did not check the consistency of the SMB record
length being read or written against the NBSS record length.
This could lead to an evasion where an attacker crafts a SMB
write with a too big Length field, and then sends its evil
payload, even if the server returned an error for the write request.
Ticket: #5770
(cherry picked from commit
|
4 years ago | |
|---|---|---|
| .. | ||
| Makefile.am | 4 years ago | |
| app-layer-events.rules | 9 years ago | |
| decoder-events.rules | 4 years ago | |
| dhcp-events.rules | 8 years ago | |
| dnp3-events.rules | 9 years ago | |
| dns-events.rules | 7 years ago | |
| files.rules | 7 years ago | |
| http-events.rules | 6 years ago | |
| http2-events.rules | 5 years ago | |
| ipsec-events.rules | 8 years ago | |
| kerberos-events.rules | 8 years ago | |
| modbus-events.rules | 9 years ago | |
| mqtt-events.rules | 4 years ago | |
| nfs-events.rules | 9 years ago | |
| ntp-events.rules | 9 years ago | |
| smb-events.rules | 4 years ago | |
| smtp-events.rules | 7 years ago | |
| ssh-events.rules | 6 years ago | |
| stream-events.rules | 4 years ago | |
| tls-events.rules | 6 years ago | |