MyBB 1.0 SQL injection in uploading file

2006.01.02
Credit: addmimistrator
Risk: Medium
Local: No
Remote: Yes
CVE: CVE-2005-4602
CWE: CWE-89


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

Hey there is a security bug in inc/function_upload.php script in mybb all version (except two days ago security updated version) that allows SQL INJECTION this bug is in function of upload attachment . when a file goes to upload this function test that if file has a valid extension . for this call getextension function and fetch all of characters after last period sign. then make a query and search in valid extensions table and here a file with quoted extension include sql statement will be execute. this bug reported to mybb offical site and patched as a security patch in internal version 1.0.1 two days ago be beauty imei


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