Directory traversal vulnerability in the doSendObjectInfo method in frameworks/av/media/mtp/MtpServer.cpp in Android 4.4.4 allows physically proximate attackers with a direct connection to the target Android device to upload files outside of the sdcard via a .. (dot dot) in a name parameter of an MTP request.
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
Link | Tags |
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http://seclists.org/fulldisclosure/2015/Apr/50 | third party advisory mailing list |
http://packetstormsecurity.com/files/131509/Android-4.4-MTP-Path-Traversal.html | vdb entry third party advisory |
http://www.securityfocus.com/bid/74210 | vdb entry third party advisory |
http://www.securityfocus.com/archive/1/535294/100/1100/threaded | mailing list |