Fickling has safety check bypass via REDUCE+BUILD opcode sequence

Assessment It is believed that the analysis pass works as intended, REDUCE and BUILD are not at fault here. The few potentially unsafe modules have been added to the blocklist https://github.com/trailofbits/fickling/commit/0c4558d950daf70e134090573450ddcedaf10400. Original report Summary All 5 of...

GHSA-MHC9-48GJ-9GP3 Fickling has safety check bypass via REDUCE+BUILD opcode sequence

Assessment It is believed that the analysis pass works as intended, REDUCE and BUILD are not at fault here. The few potentially unsafe modules have been added to the blocklist https://github.com/trailofbits/fickling/commit/0c4558d950daf70e134090573450ddcedaf10400. Original report Summary All 5 of...

GHSA-H4RM-MM56-XF63 Fickling vulnerable to detection bypass due to "builtins" blindness

Fickling's assessment Fickling started emitting AST nodes for builtins imports in order to match them during analysis https://github.com/trailofbits/fickling/commit/9f309ab834797f280cb5143a2f6f987579fa7cdf. Original report Summary Fickling works by Pickle bytecode -- AST -- Security analysis...