Playready hack. Jun 26, 2024 · A Microsoft software engineer accidentally published internal PlayReady DRM source code on a publicly accessible developer forum. The data leak of 4 GByte is sufficient to compile the required DLL from the source code. This debug leak exposed sensitive, unpublished details about Warbird (PlayReady’s obfuscation system) and critical DRM constants and keys. Apr 25, 2024 · The research identified deficiencies in various PMP components that could be exploited to gain access to plaintext content keys guarded by PlayReady DRM in Windows 10/11 environments. The 4GB data leak contains sufficient information to compile the required DLL from the source code, potentially opening the door for reverse engineering or cracking of Jun 26, 2024 · [German]A Microsoft software developer has accidentally shared internal PlayReady source code with the public (a developer forum). The PlayReady Breach: What Happened? The story begins with an inadvertent mistake by a Microsoft engineer, who uploaded debug information to a public forum. The vulnerabilities specifically exploit the Protected Media Path (PMP) and Warbird compiler technologies in Windows, enabling access to plaintext content keys through relatively straightforward XOR operations. This could be a real boon for people who want to reverse engineering or crack PlayReady. About PlayReady-Proxy is based on WidevineProxy2 and has been re-code to support PlayReady DRM. Researchers discovered that: Microsoft’s remote debug database (PDB) for PlayReady libraries was Apr 23, 2024 · PlayReady is employed by many popular platforms such as Canal+, Netflix, HBO Max, and Amazon Prime Video to protect digital content.
26th Apr 2024