MacOS so_pcb type confusion in necp_get_socket_attributes(CVE-2017-13855)

When getsockopt edited; original report said "setsockopt" is called on any socket with level SOLSOCKET and optname SONECPATTRIBUTES, necpgetsocketattributes is invoked. necpgetsocketattributes unconditionally calls sotoinpcbso: errnot necpgetsocketattributesstruct socket so, struct sockopt sopt i...

MacOS/iOS kernel double free due to incorrect API usage in flow divert socket option handling(CVE-2017-13867)

SOFLOWDIVERTTOKEN is a socket option on the SOLSOCKETlayer. It's implemented by flowdiverttokensetstruct socket so, struct sockopt sopt in flowdivert.c. The relevant code is: error = sooptgetmsopt, &token; if error goto done; error = sooptmcopyinsopt, token; if error goto done; ... done: if token...

macOS necp_get_socket_attributes so_pcb Type Confusion

MacOS sopcb type confusion in necpgetsocketattributes CVE-2017-13855 When setsockopt is called on any socket with level SOLSOCKET and optname SONECPATTRIBUTES, necpgetsocketattributes is invoked. necpgetsocketattributes unconditionally calls sotoinpcbso: errnot necpgetsocketattributesstruct socke...

macOS / iOS - Kernel Double Free due to Incorrect API Usage in Flow Divert Socket Option Handling

Exploit for multiple platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1373 SOFLOWDIVERTTOKEN is a socket option on the SOLSOCKET layer. It's implemented by flowdiverttokensetstruct socket so, struct sockopt sopt in flowdivert.c. The relevant code is...

Apple macOSiOS - Kernel Double Free due to Incorrect API Usage in Flow Divert Socket Option Handling

Apple macOSiOS - Kernel Double Free due to Incorrect API Usage in Flow Divert Socket Option Handling / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1373 SOFLOWDIVERTTOKEN is a socket option on the SOLSOCKET layer. It's implemented by flowdiverttokensetstruct socket so, struct...

Apple macOS - necp_get_socket_attributes so_pcb Type Confusion

Apple macOS - necpgetsocketattributes sopcb Type Confusion / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1392&desc=2 When getsockopt edited; original report said "setsockopt" is called on any socket with level SOLSOCKET and optname SONECPATTRIBUTES, necpgetsocketattributes i...