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Author SHA1 Message Date
Dr. Stephen Henson
96db9023b8 Add heartbeat extension bounds check. 
A missing bounds check in the handling of the TLS heartbeat extension
can be used to reveal up to 64k of memory to a connected client or
server.

Thanks for Neel Mehta of Google Security for discovering this bug and to
Adam Langley <agl@chromium.org> and Bodo Moeller <bmoeller@acm.org> for
preparing the fix (CVE-2014-0160)
 2014-04-07 17:53:31 +01:00
Dr. Stephen Henson
34628967f1 Fix DTLS retransmission from previous session. 
For DTLS we might need to retransmit messages from the previous session
so keep a copy of write context in DTLS retransmission buffers instead
of replacing it after sending CCS. CVE-2013-6450.
 2013-12-20 23:12:18 +00:00
Michael Tuexen
3972dbe462 Avoid unnecessary fragmentation. 
(cherry picked from commit 80ccc66d7e)
 2013-03-18 14:33:09 +00:00
Dr. Stephen Henson
25bfdca16a PR: 2755 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>

Reduce MTU after failed transmissions.
 2012-03-06 13:47:27 +00:00
Dr. Stephen Henson
a54ce007e6 PR: 2739 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>

Fix padding bugs in Heartbeat support.
 2012-02-27 16:38:10 +00:00
Dr. Stephen Henson
bd6941cfaa PR: 2658 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Support for TLS/DTLS heartbeats.
 2011-12-31 23:00:36 +00:00
Dr. Stephen Henson
e065e6cda2 PR: 2535 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Add SCTP support for DTLS (RFC 6083).
 2011-12-25 14:45:40 +00:00
Dr. Stephen Henson
5372f5f989 PR: 2628 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Send alert instead of assertion failure for incorrectly formatted DTLS
fragments.
 2011-10-27 13:06:43 +00:00
Dr. Stephen Henson
56f5ab43c2 PR: 2602 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Fix DTLS bug which prevents manual MTU setting
 2011-09-23 13:35:05 +00:00
Dr. Stephen Henson
2ab42de1ec PR: 2462 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Fix DTLS Retransmission Buffer Bug
 2011-04-03 17:14:48 +00:00
Dr. Stephen Henson
ac2024ccbf PR: 2458 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Don't change state when answering DTLS ClientHello.
 2011-04-03 16:25:54 +00:00
Dr. Stephen Henson
93164a7d64 PR: 2457 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Fix DTLS fragment reassembly bug.
 2011-04-03 15:48:32 +00:00
Dr. Stephen Henson
8c1e7de6cb PR: 2230 
Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>

Fix bug in bitmask macros and stop warnings.
 2010-05-03 13:01:50 +00:00
Dr. Stephen Henson
9f827ded1c fix signed/unsigned comparison warnings 2010-04-14 00:41:01 +00:00
Dr. Stephen Henson
1507f3abba PR: 2230 
Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>

Fix various DTLS fragment reassembly bugs.
 2010-04-14 00:17:29 +00:00
Dr. Stephen Henson
7b52778eff PR: 1731 and maybe 2197 
Clear error queue in a few places in SSL code where errors are expected
so they don't stay in the queue.
 2010-03-24 23:16:49 +00:00
Dr. Stephen Henson
d5b8c46499 PR: 2115 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Add Renegotiation extension to DTLS, fix DTLS ClientHello processing bug.
 2009-12-01 17:41:42 +00:00
Dr. Stephen Henson
23b97c6bb5 PR: 2089 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

DTLS Fragment size bug fix.
 2009-11-02 13:37:17 +00:00
Dr. Stephen Henson
29c2fd46d2 PR: 2054 
Submitted by: Julia Lawall <julia@diku.dk>
Approved by: steve@openssl.org

Correct BIO_ctrl error handling
 2009-10-01 00:03:50 +00:00
Dr. Stephen Henson
a4bade7aac PR: 1997 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

DTLS timeout handling fix.
 2009-08-12 13:21:26 +00:00
Dr. Stephen Henson
5135d6b985 Fix error codes and indentation. 2009-07-15 11:32:58 +00:00
Dr. Stephen Henson
dbb834ffeb Update from 0.9.8-stable. 2009-06-28 16:24:11 +00:00
Dr. Stephen Henson
7074f1df07 Stop gcc bracket warning. 2009-06-05 14:57:10 +00:00
Dr. Stephen Henson
4e63da0669 PR: 1950 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve@openssl.org

DTLS fragment retransmission bug.
 2009-06-05 14:46:49 +00:00
Dr. Stephen Henson
abda7c1147 PR: 1931 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Fix fragment handling memory leak.
 2009-05-16 16:22:11 +00:00
Dr. Stephen Henson
d6584eba8c PR: 1922 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

DTLS Timer bug fix.
 2009-05-15 22:58:13 +00:00
Dr. Stephen Henson
561cbe5678 PR: 1923 
Submitted by: Daniel Mentz <daniel.m@sent.com>, Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Don't access freed data structure.
 2009-05-13 11:51:30 +00:00
Dr. Stephen Henson
a543ea44bc Fix WIN32 warning. 2009-04-22 12:17:02 +00:00
Dr. Stephen Henson
b452f43322 PR: 1751 
Submitted by: David Woodhouse <dwmw2@infradead.org>
Approved by: steve@openssl.org

Compatibility patches for Cisco VPN client DTLS.
 2009-04-19 18:03:13 +00:00
Dr. Stephen Henson
c900a78c99 PR: 1828 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Updated DTLS Rentransmission bug patch.
 2009-04-15 14:49:36 +00:00
Dr. Stephen Henson
46ffb2dc97 PR #1828 reverted: state save/restore incompatible with 1.0.0-stable. 2009-04-14 15:29:34 +00:00
Dr. Stephen Henson
9fcbefebdb PR: 1828 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Update from 0.9.8-stable.
 2009-04-14 14:19:46 +00:00
Dr. Stephen Henson
017d2a887f PR: 1838 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Updated patch from 0.9.8-stable.
 2009-04-14 14:18:16 +00:00
Andy Polyakov
659f7f3168 Don't let DTLS ChangeCipherSpec increment handshake sequence number. 
PR: 1587
 2007-10-17 21:15:48 +00:00
Andy Polyakov
e979c039f9 Fix warnings in d1_both.c [from 0.9.8-stable]. 2007-10-13 11:00:52 +00:00
Andy Polyakov
90acf770b5 DTLS fixes from 0.9.8-stable. 2007-10-13 10:57:02 +00:00
Andy Polyakov
89c333e3e5 Make ChangeCipherSpec compliant with DTLS RFC4347. 2007-09-30 21:19:30 +00:00
Andy Polyakov
54ef01b54b Fix indentation in d1_both.c. 2007-09-19 16:38:15 +00:00
Dr. Stephen Henson
81025661a9 Update ssl code to support digests other than MD5+SHA1 in handshake. 
Submitted by: Victor B. Wagner <vitus@cryptocom.ru>
 2007-08-31 12:42:53 +00:00
Dr. Stephen Henson
710069c19e Fix warnings. 2007-08-12 17:44:32 +00:00
Geoff Thorpe
f920c5b590 Fix signed/unsigned warnings. 2005-07-26 04:25:05 +00:00
Andy Polyakov
dffdb56b7f "Liberate" dtls from BN dependency. Fix bug in replay/update. 2005-06-07 22:21:14 +00:00
Richard Levitte
188b05792f pqueue and dtls uses 64-bit values. Unfortunately, OpenSSL doesn't 
have a uniform representation for those over all architectures, so a
little bit of hackery is needed.

Contributed by nagendra modadugu <nagendra@cs.stanford.edu>
 2005-05-30 22:34:37 +00:00
Dr. Stephen Henson
6c61726b2a Lots of Win32 fixes for DTLS. 
1. "unsigned long long" isn't portable changed: to BN_ULLONG.
2. The LL prefix isn't allowed in VC++ but it isn't needed where it is used.
2. Avoid lots of compiler warnings about signed/unsigned mismatches.
3. Include new library directory pqueue in mk1mf build system.
4. Update symbols.
 2005-04-27 16:27:14 +00:00
Bodo Möller
beb056b303 fix SSLerr stuff for DTLS1 code; 
move some functions from exported header <openssl/dtl1.h> into "ssl_locl.h";
fix silly indentation (a TAB is *not* always 4 spaces)
 2005-04-26 18:08:00 +00:00
Dr. Stephen Henson
4e321ffaff Fixes for signed/unsigned warnings and shadows. 2005-04-26 17:43:53 +00:00
Ben Laurie
36d16f8ee0 Add DTLS support. 2005-04-26 16:02:40 +00:00