ownCloud server 9.1.3User enumeration with error messages
Information disclosure in email field dialog at sharing
Flooding logfiles with a 1 Bit BMP File
ownCloud desktop 2.2.3Local Code Injection
ownCloud mobile iOS 3.4.4Improper validation of certificates within the iOS application
Credentials potentially leaked to other configured ownCloud instance
Incomplete blacklist vulnerability (oC-SA-2013-009)
14th March 2013
Risk level: High
Incomplete blacklist vulnerability in apps/contacts/import.php and apps/contacts/ajax/uploadimport.php in ownCloud before 4.0.13 and 4.5.8 allows an authenticated remote attacker to upload a .htaccess file and therefore the execution of arbitrary PHP code in a standard Apache installation.
- ownCloud Server < 4.5.8 (CVE-2013-1850)
- ownCloud Server < 4.0.13 (CVE-2013-1850)
It is recommended that all instances are upgraded to ownCloud Server 4.5.8 or 4.0.13.
The ownCloud team thanks the following people for their research and responsible disclosure of the above advisory:
- Lukas Reschke - ownCloud Inc. (firstname.lastname@example.org) - Vulnerability discovery and disclosure.