IBM Informix Dynamic Database Server 9.40.uc1

IBM Informix Dynamic Server (IDS) before 9.40.xC7 and 10.00 before 10.00.xC3 allows allows remote authenticated users to execute arbitrary commands via the (1) "SET DEBUG FILE" SQL command, and the (2) start_onpload and (3) dbexp functions.

IBM Informix Dynamic Database server running on Windows XP with Simple File Sharing enabled, allows remote attackers to bypass authentication and log on to the guest account by supplying an invalid username.

Multiple buffer overflows in IBM Informix Dynamic Server (IDS) before 9.40.TC6 and 10.00 before 10.00.TC3 allow remote authenticated users to execute arbitrary code via (1) the getname function, as used by (a) _sq_remview, (b) _sq_remproc, (c) _sq_remperms, (d) _sq_distfetch, and (e) _sq_dcatalog; and the (2) SET DEBUG FILE, (3) IFX_FILE_TO_FILE, (4) FILETOCLOB, (5) LOTOFILE, and (6) DBINFO functions (product defect IDs 171649, 171367, 171387, 171391, 171906, 172179).