RT3301: Discard too-long heartbeat requests

Reviewed-by: Tim Hudson <tjh@openssl.org>
This commit is contained in:
Erik Auerswald 2014-08-26 22:50:34 -04:00 committed by Rich Salz
parent 98ecf60ba6
commit af4c6e348e
1 changed files with 3 additions and 0 deletions

View File

@ -1363,6 +1363,9 @@ dtls1_process_heartbeat(SSL *s)
/* Read type and payload length first */
if (1 + 2 + 16 > s->s3->rrec.length)
return 0; /* silently discard */
if (s->s3->rrec.length > SSL3_RT_MAX_PLAIN_LENGTH)
return 0; /* silently discard per RFC 6520 sec. 4 */
hbtype = *p++;
n2s(p, payload);
if (1 + 2 + payload + 16 > s->s3->rrec.length)