FreeBSD : automake -- Insecure 'distcheck' recipe granted world-writable distdir (36235c38-e0a8-11e1-9f4d-002354ed89bc)

GNU reports : The recipe of the 'distcheck' target granted temporary world-write permissions on the extracted distdir. This introduced a locally exploitable race condition for those who run 'make distcheck' with a non-restrictive umask e.g., 022 in a directory that was accessible by others. A...