diff options
| -rw-r--r-- | source3/smbd/reply.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c index 5d493d8716..a3bb412578 100644 --- a/source3/smbd/reply.c +++ b/source3/smbd/reply.c @@ -2186,6 +2186,12 @@ int reply_read_and_X(connection_struct *conn, char *inbuf,char *outbuf,int lengt if (global_client_caps & CAP_LARGE_READX) { smb_maxcnt |= ((((size_t)SVAL(inbuf,smb_vwv7)) & 1 )<<16); + if (smb_maxcnt > BUFFER_SIZE) { + DEBUG(0,("reply_read_and_X - read too large (%u) for reply buffer %u\n", + (unsigned int)smb_maxcnt, (unsigned int)BUFFER_SIZE)); + END_PROFILE(SMBreadX); + return ERROR_NT(NT_STATUS_INVALID_PARAMETER); + } } if(CVAL(inbuf,smb_wct) == 12) { |