DFG JIT Use-After-Free

DFG's doesGC is incorrect about the HasIndexedProperty operation's behavior on StringObjects. This can lead to a use-after-free condition. See also https://bugs.chromium.org/p/project-zero/issues/detail?id=1699 for a similar issue. The DFG JIT compiler attempts to determine whether a DFG IR...

Apple macOS 10.14.5 iOS 12.3 DFG JIT Compiler - HasIndexedProperty Use-After-Free

Apple macOS 10.14.5 iOS 12.3 DFG JIT Compiler - HasIndexedProperty Use-After-Free See also https://bugs.chromium.org/p/project-zero/issues/detail?id=1699 for a similar issue. The DFG JIT compiler attempts to determine whether a DFG IR operation could cause garbage collection GC during its executi...

macOS < 10.14.5 / iOS < 12.3 DFG JIT Compiler - HasIndexedProperty Use-After-Free Exploit

macOS 10.14.5 / iOS 12.3 DFG JIT Compiler - HasIndexedProperty Use-After-Free Exploit See also https://bugs.chromium.org/p/project-zero/issues/detail?id=1699 for a similar issue. The DFG JIT compiler attempts to determine whether a DFG IR operation could cause garbage collection GC during its...

Apple macOS < 10.14.5 / iOS < 12.3 DFG JIT Compiler - 'HasIndexedProperty' Use-After-Free

See also https://bugs.chromium.org/p/project-zero/issues/detail?id=1699 for a similar issue. The DFG JIT compiler attempts to determine whether a DFG IR operation could cause garbage collection GC during its execution 1. With this, it is then possible for the compiler to determine whether there...

Safari+macOS full exploit chain-vulnerability and early warning-the black bar safety net

At this year's Pwn2Own 2018 game, there is more for the Apple Safari browser attack challenge, today we will introduce for Safari remote code executionRCE, sandbox escapes, local privilege escalationLPEand for macOS 10.13.3 kernel exploits. To attack the challenges of the environment settings...