diff options
| author | Nikos Mavrogiannopoulos <nmav@redhat.com> | 2017-09-15 16:34:02 +0200 |
|---|---|---|
| committer | Nikos Mavrogiannopoulos <nmav@redhat.com> | 2017-09-20 08:40:27 +0200 |
| commit | 31f584a499af01a7be60d29ea5273da1f783fe01 (patch) | |
| tree | c8ccce1cfff4b1aa356fa2e1609aed6e440cdb75 | |
| parent | 65c147cd87f61c0972d0acb561c9379e67d3e55c (diff) | |
| download | gnutls-31f584a499af01a7be60d29ea5273da1f783fe01.tar.gz | |
parse_handshake_header: allow 1-byte sized fragments
Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
| -rw-r--r-- | lib/gnutls_buffers.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/gnutls_buffers.c b/lib/gnutls_buffers.c index 8750863120..3d9e061eaf 100644 --- a/lib/gnutls_buffers.c +++ b/lib/gnutls_buffers.c @@ -935,12 +935,13 @@ parse_handshake_header(gnutls_session_t session, mbuffer_st * bufel, return gnutls_assert_val(GNUTLS_E_UNEXPECTED_PACKET_LENGTH); - if (hsk->length > 0 && (hsk->start_offset >= hsk->end_offset || + if (hsk->length > 0 && (hsk->start_offset > hsk->end_offset || hsk->end_offset - hsk->start_offset >= data_size - || hsk->end_offset >= hsk->length)) + || hsk->end_offset >= hsk->length)) { return gnutls_assert_val(GNUTLS_E_UNEXPECTED_PACKET_LENGTH); + } else if (hsk->length == 0 && hsk->end_offset != 0 && hsk->start_offset != 0) return |