RETGUARD, the OpenBSD next level in exploit mitigation, is about to debut
by from OpenBSD Journal on (#2ZY42)
In a message to the tech mailling list, Theo de Raadt(deraadt@) offered a preview of the next big thing in exploit mitigation, dubbed RETGUARD:
This year I went to BSDCAN in Ottawa. I spent much of it in the'hallway track', and had an extended conversation with various peopleregarding our existing security mitigations and hopes for new ones inthe future. I spoke a lot with Todd Mortimer(mortimer@). Apparently I told himthat I felt return-address protection was impossible, so a few weekslater he sent a clang diff to address that issue...