diff options
| author |   tobhe <tobhe@openbsd.org> | 2020-03-17 09:01:53 +0000 |
|---|---|---|
| committer | tobhe <tobhe@openbsd.org> | 2020-03-17 09:01:53 +0000 |
| commit | 91145277d294a8e6b90b1e7caa833fd67e2de0b1 (patch) | |
| tree | 9cd1102b2c52f77a4931679d405f1d1cbda31eb4 /usr.sbin/smtpd | |
| parent | rework amd (not intel) smt/core/package detection. (diff) | |
| download | wireguard-openbsd-91145277d294a8e6b90b1e7caa833fd67e2de0b1.tar.xz wireguard-openbsd-91145277d294a8e6b90b1e7caa833fd67e2de0b1.zip | |
Exit when m_get_string() returns NULL to prevent nullptr dereference in
strlen().
ok millert@
Diffstat (limited to 'usr.sbin/smtpd')
| -rw-r--r-- | usr.sbin/smtpd/mproc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/usr.sbin/smtpd/mproc.c b/usr.sbin/smtpd/mproc.c index aa19c7d48f6..5eff4adfb33 100644 --- a/usr.sbin/smtpd/mproc.c +++ b/usr.sbin/smtpd/mproc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mproc.c,v 1.35 2019/10/03 05:50:28 gilles Exp $ */ +/* $OpenBSD: mproc.c,v 1.36 2020/03/17 09:01:53 tobhe Exp $ */ /* * Copyright (c) 2012 Eric Faurot <eric@faurot.net> @@ -637,6 +637,8 @@ m_get_envelope(struct msg *m, struct envelope *evp) m_get_evpid(m, &evpid); m_get_string(m, &buf); + if (buf == NULL) + fatalx("empty envelope buffer"); if (!envelope_load_buffer(evp, buf, strlen(buf))) fatalx("failed to retrieve envelope"); |