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s3: Fix input check in is_encrypted_packet
[mat/samba.git]
/
source3
/
smbd
/
seal.c
diff --git
a/source3/smbd/seal.c
b/source3/smbd/seal.c
index 0cf730ee4f849026632e33ec13c54d05a2dd06ca..1d8d4641e795b251dfc458ccb8ed557090ae2a97 100644
(file)
--- a/
source3/smbd/seal.c
+++ b/
source3/smbd/seal.c
@@
-55,7
+55,9
@@
bool is_encrypted_packet(const uint8_t *inbuf)
uint16_t enc_num;
/* Ignore non-session messages or non 0xFF'E' messages. */
- if(CVAL(inbuf,0) || !(inbuf[4] == 0xFF && inbuf[5] == 'E')) {
+ if(CVAL(inbuf,0)
+ || (smb_len(inbuf) < 8)
+ || !(inbuf[4] == 0xFF && inbuf[5] == 'E')) {
return false;
}