diff options
| author | Matt Caswell <matt@openssl.org> | 2014-07-24 23:54:28 +0100 |
|---|---|---|
| committer | Matt Caswell <matt@openssl.org> | 2014-08-06 20:27:51 +0100 |
| commit | 0c37aed3f327782645d68964cd7a714df6b8880d (patch) | |
| tree | c3e9ff09b651a93069d37b00d65442c7c4e32124 /ssl/d1_both.c | |
| parent | 099ccdb8084aff60efad0c91185cb465f9123859 (diff) | |
Applying same fix as in dtls1_process_out_of_seq_message. A truncated DTLS fragment would cause *ok to be clear, but the return value would still be the number of bytes read.
Problem identified by Emilia Käsper, based on previous issue/patch by Adam
Langley.
Reviewed-by: Emilia Käsper <emilia@openssl.org>
Diffstat (limited to 'ssl/d1_both.c')
| -rw-r--r-- | ssl/d1_both.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ssl/d1_both.c b/ssl/d1_both.c index ac0fcaa8fc..ea8f340cff 100644 --- a/ssl/d1_both.c +++ b/ssl/d1_both.c @@ -663,7 +663,9 @@ dtls1_reassemble_fragment(SSL *s, struct hm_header_st* msg_hdr, int *ok) /* read the body of the fragment (header has already been read */ i = s->method->ssl_read_bytes(s,SSL3_RT_HANDSHAKE, frag->fragment + msg_hdr->frag_off,frag_len,0); - if (i<=0 || (unsigned long)i!=frag_len) + if ((unsigned long)i!=frag_len) + i=-1; + if (i<=0) goto err; RSMBLY_BITMASK_MARK(frag->reassembly, (long)msg_hdr->frag_off, |