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| author | Nikos Mavrogiannopoulos <nmav@redhat.com> | 2017-09-15 16:34:02 +0200 |
|---|---|---|
| committer | Nikos Mavrogiannopoulos <nmav@redhat.com> | 2017-09-19 10:33:12 +0200 |
| commit | f2eb8ac0ebad1d67795ee3151cf3516816781f9f (patch) | |
| tree | 4ecd4d8f9b838cf7edb75d670d2eef0792562e3c | |
| parent | 988709210807db0547bcf0c05315bcce17e4cabe (diff) | |
| download | gnutls-f2eb8ac0ebad1d67795ee3151cf3516816781f9f.tar.gz | |
parse_handshake_header: allow 1-byte sized fragments
Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
| -rw-r--r-- | lib/buffers.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/buffers.c b/lib/buffers.c index 107a9ca9ca..e42bcd4f86 100644 --- a/lib/buffers.c +++ b/lib/buffers.c @@ -953,12 +953,13 @@ 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 |