Apple ibooks author exploit windows#

Sep 2016: Reported XXE in Adobe Digital Editions <= 4.5.2.

Sep 2016: Reported XXE in EpubCheck <= 4.0.1.

Some applications will allow Flash to be run, and Javascript execution in the context of the book reader, so you can imagine this can be used to perform some attacks currently waiting on vendor fixes before talking about this. There are more things going on with the ePub format beyond the familiar patterns shown here. When uploading a ePub with this pattern, it would spend about 45 minutes trying to process the file before returning an error condition. Google Play Book uploads did not allow external entity processing, but was vulnerable to XML exponential entity expansion billion laughs.

Apple ibooks author exploit windows#

Point at a HTTP server to serve the following contents, and specifying a FTP server to recieve the specified fileД®g., Retrieving secret stuff from a users Windows documents folder:ДЄpple Transporter (underlying tool used to validate metadata and assets and deliver them to the iTunes Store), CVE-2016-7666. Modifying an existing ePub file to test for XML parsing vulnerabilities:Д®dit any of the files that contain XML metadata.Д®g., book.opf (XXE - XML External Entities pattern) %b %c ]> Metamorphosis en &send The validator tool/library was vulnerable to XXE, so any application that relies on a vulnerable version to check the validity of a book would be susceptible to this type of attack. Book publishers tend to perform a validation step using something like this to check the format validity. When I first started looking into this, I learned about a tool/Java library called EpubCheck (provided by IDPF) that is used to validate books in the ePub format. Exploiting vulnerabilities in EpubCheck Д®g., contents of book.opf My Book en Description Author TLDR Applying a familiar XXE pattern to exploit services & readers that consume the ePUB format. WeвЂ™re very excited about this.вЂќ - Steve Jobs, 2010 (original iPad launch) вЂњWe use the ePub format - it is the most popular open book format in the world. This book reads you - exploiting services and readers that support the ePub book format