XNU Kernel - Heap Overflow Due to Bad Bounds Checking in MPTCP

XNU Kernel - Heap Overflow Due to Bad Bounds Checking in MPTCP mptcpusrconnectx is the handler for the connectx syscall for the APMULTIPATH socket family. The logic of this function fails to correctly handle source and destination sockaddrs which aren't AFINET or AFINET6: // verify salen for...

XNU Kernel - Heap Overflow Due to Bad Bounds Checking in MPTCP Exploit

Exploit for multiple platform in category dos / poc mptcpusrconnectx is the handler for the connectx syscall for the APMULTIPATH socket family. The logic of this function fails to correctly handle source and destination sockaddrs which aren't AFINET or AFINET6: // verify salen for AFINET: if...