Adobe Flash - LMZA Property Decoding Heap Corruption



EKU-ID: 44393 CVE: CVE-2016-4137 OSVDB-ID:
Author: Google Security Research Published: 2016-07-11 Verified: Verified
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Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=790

Loading the attached image causes heap corruption due to LMZA property decoding. To reproduce the issue, load the attach file '6' using LoadImage.swf as follows:

LoadImage.swf?img=6

The issue sometimes takes multiple refreshes to crash


Proof of Concept:
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/40089.zip