Describe CVE-2007-1993.
What is CVE-2007-1993?
Buffer overflow in the pfs_mountd.rpc RPC daemon in the Portable File System (PFS) in HP-UX B.11.00, B.11.11, and B.11.23 allows remote attackers to execute arbitrary code by sending "a call to procedure 5, followed by a crafted payload to procedure 2.".