MailMend

by Ryan Petrich

Mends a few security bugs in MobileMail's MIME.framework

Reimplementation of MFMutableData's _mapMutableData:, _flushToDisk:capacity: and writeToFile:options:error: methods that block and alert on evidence of exploitation.
See ZecOps' "You’ve Got (0-click) Mail!" writeup for details on the vulnerability

Available for jailbroken iOS devices via rpetrich.com/repo