Author: emaste Date: Tue Jan 15 15:35:14 2019 New Revision: 343043 URL: https://svnweb.freebsd.org/changeset/base/343043
Log: scp: disallow empty or current directory Obtained from: OpenBSD scp.c 1.198 Security: CVE-2018-20685 Sponsored by: The FreeBSD Foundation Modified: head/crypto/openssh/scp.c Modified: head/crypto/openssh/scp.c ============================================================================== --- head/crypto/openssh/scp.c Tue Jan 15 09:48:18 2019 (r343042) +++ head/crypto/openssh/scp.c Tue Jan 15 15:35:14 2019 (r343043) @@ -1106,7 +1106,8 @@ sink(int argc, char **argv) SCREWUP("size out of range"); size = (off_t)ull; - if ((strchr(cp, '/') != NULL) || (strcmp(cp, "..") == 0)) { + if (*cp == '\0' || strchr(cp, '/') != NULL || + strcmp(cp, ".") == 0 || strcmp(cp, "..") == 0) { run_err("error: unexpected filename: %s", cp); exit(1); } _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"