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Author SHA1 Message Date
Hanno Becker
ca31b47188 Fail when encountering invalid CBC padding in EtM records 
This commit changes the behavior of the record decryption routine
`ssl_decrypt_buf()` in the following situation:
1. A CBC ciphersuite with Encrypt-then-MAC is used.
2. A record with valid MAC but invalid CBC padding is received.
In this situation, the previous code would not raise and error but
instead forward the decrypted packet, including the wrong padding,
to the user.

This commit changes this behavior to return the error
MBEDTLS_ERR_SSL_INVALID_MAC instead.

While erroneous, the previous behavior does not constitute a
security flaw since it can only happen for properly authenticated
records, that is, if the peer makes a mistake while preparing the
padded plaintext.
 2018-10-17 14:54:16 +01:00
Simon Butcher
7a539a57d7 Merge remote-tracking branch 'public/pr/1812' into mbedtls-2.7 2018-09-27 17:19:29 +01:00
Simon Butcher
f73b437fc6 Add ChangeLog entry for PR #1812 2018-09-26 22:59:42 +01:00
Simon Butcher
fa5054ffab Fix ChangeLog entry for PR #1972 2018-09-26 22:59:31 +01:00
Andrzej Kurek
c895821766 ssl-opt.sh: change expected output for large srv packet test with SSLv3 
This test also exercises a protection against BEAST
and should expect message splitting.
 2018-09-26 22:53:13 +01:00
Andrzej Kurek
3d5cd4ec0a Remove trailing whitespace 2018-09-26 22:53:13 +01:00
Andrzej Kurek
216b40de9b ssl_server2: add buffer overhead for a termination character 
Switch to mbedtls style of memory allocation
 2018-09-26 22:53:12 +01:00
Andrzej Kurek
d731a6348a Add missing large and small packet tests for ssl_server2 2018-09-26 22:53:12 +01:00
Andrzej Kurek
557335e56d Added buffer_size and response_size options for ssl-server2. 
Added appropriate tests.
 2018-09-26 22:53:12 +01:00
Simon Butcher
651902d062 Merge remote-tracking branch 'public/pr/1972' into mbedtls-2.7 2018-09-26 22:35:51 +01:00
Simon Butcher
9863afc5e2 Merge remote-tracking branch 'public/pr/1899' into mbedtls-2.7 2018-09-26 22:00:02 +01:00
Simon Butcher
d6a63f4ca5 Clarified ChangeLog entry 
ChangeLog entry for backport of #1890 was misleading, so corrected it.
 2018-09-13 11:59:03 +01:00
Simon Butcher
eee169a082
Merge pull request #506 from sbutcher-arm/mbedtls-version-2.7.6 
Update library version number to 2.7.6
 2018-08-31 17:29:24 +01:00
Simon Butcher
34997fd291 Update library version number to 2.7.6 2018-08-31 16:07:23 +01:00
Simon Butcher
a36fe37429 Revised and clarified ChangeLog 
Minor changes to fix language, merge mistakes and incorrect classifications of
changes.
 2018-08-31 12:00:58 +01:00
Andrzej Kurek
77798b9f2d ssl-opt.sh: change expected output for large srv packet test with SSLv3 
This test also exercises a protection against BEAST
and should expect message splitting.
 2018-08-29 07:05:59 -04:00
Andrzej Kurek
0d50aeb4d4 Remove trailing whitespace 2018-08-29 07:05:44 -04:00
Andrzej Kurek
fb764931ee ssl_server2: add buffer overhead for a termination character 
Switch to mbedtls style of memory allocation
 2018-08-29 07:05:44 -04:00
Andrzej Kurek
d5ab1883b7 Add missing large and small packet tests for ssl_server2 2018-08-29 07:05:44 -04:00
Andrzej Kurek
6b3ec17463 Added buffer_size and response_size options for ssl-server2. 
Added appropriate tests.
 2018-08-29 07:05:44 -04:00
Simon Butcher
9877efb401 Merge remote-tracking branch 'restricted/pr/437' into mbedtls-2.7-restricted 2018-08-28 15:34:28 +01:00
Simon Butcher
242169bdc3 Merge remote-tracking branch 'restricted/pr/498' into mbedtls-2.7-restricted 2018-08-28 15:29:55 +01:00
Simon Butcher
6910201cd1 Merge remote-tracking branch 'restricted/pr/493' into mbedtls-2.7-restricted 2018-08-28 15:23:39 +01:00
Simon Butcher
fbd0ccc0f0 Merge remote-tracking branch 'public/pr/1978' into mbedtls-2.7 2018-08-28 12:32:21 +01:00
Simon Butcher
4102b3d377 Merge remote-tracking branch 'public/pr/1888' into mbedtls-2.7 2018-08-28 12:25:12 +01:00
Simon Butcher
cc4f58d08c Merge remote-tracking branch 'public/pr/1956' into mbedtls-2.7 2018-08-28 12:16:11 +01:00
Simon Butcher
f7be6b029e Merge remote-tracking branch 'public/pr/1960' into mbedtls-2.7 2018-08-28 11:51:56 +01:00
Simon Butcher
040cff9895 Merge remote-tracking branch 'public/pr/1974' into mbedtls-2.7 2018-08-28 10:20:37 +01:00
Simon Butcher
b6cf145b7a Merge remote-tracking branch 'public/pr/1981' into mbedtls-2.7 2018-08-28 10:18:32 +01:00
Hanno Becker
063c50df8a pk_encrypt: Uniformize debugging output 2018-08-23 15:57:15 +01:00
Hanno Becker
45d006a9cc Fix typos in programs/x509/cert_write.c 
Fixes #1922.
 2018-08-23 15:27:21 +01:00
Hanno Becker
6953ac2dbe Minor formatting improvements in pk_encrypt and pk_decrypt examples 2018-08-23 15:14:52 +01:00
Hanno Becker
20b5d14b28 Adapt ChangeLog 2018-08-23 15:14:51 +01:00
Hanno Becker
a82a6e126d Correct memory leak in pk_decrypt example program 2018-08-23 15:14:50 +01:00
Hanno Becker
20fce25f28 Correct memory-leak in pk_encrypt example program 2018-08-23 15:14:50 +01:00
Hanno Becker
dc6c0e49ad ssl-opt.sh: Preserve proxy log, too, if --preserve-logs is specified 2018-08-22 15:24:25 +01:00
Hanno Becker
4d646a60bd Adapt ChangeLog 2018-08-22 15:11:28 +01:00
Hanno Becker
b554636236 ssl-opt.sh: Add DTLS session resumption tests 
Fixes #1969.
 2018-08-22 15:07:31 +01:00
Hanno Becker
6c794faa46 Fix bug in SSL ticket implementation removing keys of age < 1s 
Fixes #1968.
 2018-08-22 14:58:31 +01:00
Jaeden Amero
e4d14208aa Merge remote-tracking branch 'upstream-public/pr/1953' into mbedtls-2.7 2018-08-17 15:31:58 +01:00
Hanno Becker
12f7ede56e Compute record expansion in steps to ease readability 2018-08-17 15:30:03 +01:00
Jaeden Amero
ab397dd47c Merge remote-tracking branch 'upstream-public/pr/1944' into mbedtls-2.7 2018-08-17 14:27:06 +01:00
Hanno Becker
f38db01c42 Adapt ChangeLog 2018-08-17 10:12:23 +01:00
Hanno Becker
dbd3e88479 Fix mbedtls_ssl_get_record_expansion() for CBC modes 
`mbedtls_ssl_get_record_expansion()` is supposed to return the maximum
difference between the size of a protected record and the size of the
encapsulated plaintext.

Previously, it did not correctly estimate the maximum record expansion
in case of CBC ciphersuites in (D)TLS versions 1.1 and higher, in which
case the ciphertext is prefixed by an explicit IV.

This commit fixes this bug. Fixes #1914.
 2018-08-17 10:12:21 +01:00
Hanno Becker
517e84a0e3 Improve ChangeLog wording for the commmit that Fixes #1954. 2018-08-17 10:04:08 +01:00
Hanno Becker
3a333a58ba Add tests for empty CA list in CertificateRequest, TLS 1.0 & 1.1 2018-08-17 10:04:08 +01:00
Hanno Becker
4a4c04dc9c Adapt ChangeLog 2018-08-16 15:53:02 +01:00
Hanno Becker
78d5d8225e Fix overly strict bounds check in ssl_parse_certificate_request() 2018-08-16 15:53:02 +01:00
Mohammad Azim Khan
7e84affb45 Fix Wformat-overflow warning in ssl_mail_client.c 
sprintf( (char *) buf, "%s\r\n", base );
 Above code generates Wformat-overflow warning since both buf and base
are of same size. buf should be sizeof( base ) + characters added in
the format. In this case format 2 bytes for "\r\n".
 2018-08-16 14:34:15 +01:00
Hanno Becker
8058800d54 Adapt ChangeLog 2018-08-14 15:48:41 +01:00