Exploit for Heap-based Buffer Overflow in Google Android

This is a PoC exploit for CVE-2020-8899, a memory corruption vulnerability in the Samsung Qmage codec. The exploit targets a Samsung Galaxy Note 10+ phone running Android 10 via MMS. The exploit code is written in Python and requires the following software to be locally installed: Python 3, Netwi...

MMS Exploit Part 5: Defeating Android ASLR, Getting RCE

Posted by Mateusz Jurczyk, Project Zero This post is the fifth and final of a multi-part series capturing my journey from discovering a vulnerable little-known Samsung image codec, to completing a remote zero-click MMS attack that worked on the latest Samsung flagship devices. Previous posts are...

MMS Exploit Part 4: MMS Primer, Completing the ASLR Oracle

Posted by Mateusz Jurczyk, Project Zero This post is the fourth of a multi-part series capturing my journey from discovering a vulnerable little-known Samsung image codec, to completing a remote zero-click MMS attack that worked on the latest Samsung flagship devices. New posts will be published ...

MMS Exploit Part 3: Constructing the Memory Corruption Primitives

Posted by Mateusz Jurczyk, Project Zero This post is the third of a multi-part series capturing my journey from discovering a vulnerable little-known Samsung image codec, to completing a remote zero-click MMS attack that worked on the latest Samsung flagship devices. New posts will be published a...

Samsung Qmage codec for Android Skia library does not properly validate image files

Overview The Samsung Qmage codec used in the Android Skia library does not properly validate image files. A number of memory corruption vulnerabilities allow an attacker to execute arbitrary code by causing a vulnerable system to parse a Qmage file. Description The Samsung May 2020 Android Securi...