[Ach] Fwd: TLS Survey for June 2014

Aaron Zauner azet at azet.org
Thu Jul 17 17:55:58 CEST 2014



-------- Original Message --------
Subject: TLS Survey for June 2014
Date: Tue, 24 Jun 2014 10:58:23 -0400 (EDT)
From: Hubert Kario <hkario at redhat.com>
To: security at lists.fedoraproject.org

"RC4 Only" servers have fallen below 1%!

Also, continued increase in SHA-256 signed certificates,
PFS support and TLS 1.2 penetration.

Detailed analysis and comparison to last month results is
available here:
https://securitypitfalls.wordpress.com/2014/06/24/rc4-only

This time the scan was performed using a SNI-aware scanner,
so the results are a bit different. On my blog are available
also last month results from a parallel, SNI-aware scan.


SSL/TLS survey of 350949 websites from Alexa's top 1 million
Stats only from connections that did provide valid certificates
(or anonymous DH from servers that do also have valid certificate installed)


Supported Ciphers         Count     Percent
-------------------------+---------+-------
3DES                      305304    86.9938
3DES Only                 137       0.039
AES                       329405    93.8612
AES Only                  923       0.263
AES-CBC Only              616       0.1755
AES-GCM                   137654    39.2234
AES-GCM Only              3         0.0009
CAMELLIA                  141331    40.2711
CHACHA20                  16443     4.6853
RC4                       311666    88.8066
RC4 Only                  3458      0.9853
RC4 Preferred             65353     18.6218
RC4 forced in TLS1.1+     43096     12.2798
z:ADH-AES128-GCM-SHA256   320       0.0912
z:ADH-AES128-SHA          1336      0.3807
z:ADH-AES128-SHA256       299       0.0852
z:ADH-AES256-GCM-SHA384   305       0.0869
z:ADH-AES256-SHA          1338      0.3813
z:ADH-AES256-SHA256       302       0.0861
z:ADH-CAMELLIA128-SHA     706       0.2012

z:ADH-CAMELLIA256-SHA     713       0.2032

z:ADH-DES-CBC-SHA         740       0.2109

z:ADH-DES-CBC3-SHA        1405      0.4003

z:ADH-RC4-MD5             1268      0.3613
z:ADH-SEED-SHA            392       0.1117
z:AECDH-AES128-SHA        10114     2.8819
z:AECDH-AES256-SHA        10117     2.8828
z:AECDH-DES-CBC3-SHA      10087     2.8742
z:AECDH-NULL-SHA          16        0.0046
z:AECDH-RC4-SHA           9668      2.7548
z:DES-CBC-SHA             67043     19.1033
z:DHE-RSA-SEED-SHA        58392     16.6383
z:ECDHE-RSA-NULL-SHA      19        0.0054
z:EDH-RSA-DES-CBC-SHA     52382     14.9258
z:EXP-ADH-DES-CBC-SHA     453       0.1291
z:EXP-ADH-RC4-MD5         456       0.1299
z:EXP-DES-CBC-SHA         55024     15.6786
z:EXP-EDH-RSA-DES-CBC-SHA 37222     10.6061
z:EXP-RC2-CBC-MD5         52973     15.0942
z:IDEA-CBC-SHA            62257     17.7396
z:NULL-MD5                333       0.0949
z:NULL-SHA                330       0.094
z:NULL-SHA256             18        0.0051
z:SEED-SHA                72273     20.5936

Supported Handshakes      Count     Percent
-------------------------+---------+-------
ADH                       1461      0.4163
AECDH                     10145     2.8907
DHE                       170916    48.7011
ECDH                      1         0.0003
ECDHE                     158213    45.0815
ECDHE and DHE             54584     15.5533
RSA                       350676    99.9222

Supported PFS             Count     Percent  PFS Percent
-------------------------+---------+--------+-----------
DH,1024bits               158684    45.2157  92.8433
DH,2048bits               10821     3.0834   6.3312
DH,2226bits               2         0.0006   0.0012
DH,3072bits               5         0.0014   0.0029
DH,3246bits               2         0.0006   0.0012
DH,3248bits               2         0.0006   0.0012
DH,4096bits               538       0.1533   0.3148
DH,512bits                37361     10.6457  21.8593
DH,768bits                720       0.2052   0.4213
ECDH,B-163,163bits        18        0.0051   0.0114
ECDH,B-571,570bits        347       0.0989   0.2193
ECDH,P-224,224bits        5         0.0014   0.0032
ECDH,P-256,256bits        157058    44.7524  99.27
ECDH,P-384,384bits        184       0.0524   0.1163
ECDH,P-521,521bits        683       0.1946   0.4317
Prefer DH,1024bits        103305    29.4359  60.442
Prefer DH,2048bits        2429      0.6921   1.4212
Prefer DH,4096bits        36        0.0103   0.0211
Prefer DH,512bits         2         0.0006   0.0012
Prefer DH,768bits         83        0.0237   0.0486
Prefer ECDH,B-163,163bits 18        0.0051   0.0114
Prefer ECDH,B-571,570bits 270       0.0769   0.1707
Prefer ECDH,P-224,224bits 3         0.0009   0.0019
Prefer ECDH,P-256,256bits 114187    32.5366  72.173
Prefer ECDH,P-384,384bits 120       0.0342   0.0758
Prefer ECDH,P-521,521bits 636       0.1812   0.402
Prefer PFS                221089    62.9975  0
Support PFS               274545    78.2293  0

TLS session ticket hint   Count     Percent
-------------------------+---------+--------
5                         1         0.0003
5 only                    1         0.0003
10                        2         0.0006
10 only                   2         0.0006
30                        1         0.0003
30 only                   1         0.0003
42                        1         0.0003
42 only                   1         0.0003
60                        12        0.0034
60 only                   7         0.002
120                       2         0.0006
120 only                  2         0.0006
128                       1         0.0003
128 only                  1         0.0003
180                       21        0.006
180 only                  21        0.006
300                       125932    35.8833
300 only                  110959    31.6168
420                       8         0.0023
420 only                  7         0.002
480                       5         0.0014
480 only                  5         0.0014
600                       4723      1.3458
600 only                  4590      1.3079
900                       151       0.043
900 only                  125       0.0356
960                       1         0.0003
960 only                  1         0.0003
1200                      52        0.0148
1200 only                 51        0.0145
1500                      7         0.002
1500 only                 7         0.002
1800                      97        0.0276
1800 only                 93        0.0265
2400                      1         0.0003
2400 only                 1         0.0003
3000                      3         0.0009
3000 only                 2         0.0006
3600                      162       0.0462
3600 only                 158       0.045
5400                      1         0.0003
6000                      1         0.0003
6000 only                 1         0.0003
7200                      10307     2.9369
7200 only                 1565      0.4459
10800                     5         0.0014
10800 only                2         0.0006
14400                     675       0.1923
14400 only                675       0.1923
18000                     3         0.0009
18000 only                1         0.0003
21600                     23        0.0066
21600 only                23        0.0066
28800                     5         0.0014
28800 only                5         0.0014
30720                     1         0.0003
30720 only                1         0.0003
36000                     521       0.1485
36000 only                519       0.1479
43200                     6485      1.8478
43200 only                6481      1.8467
64800                     8656      2.4665
64800 only                8651      2.465
86000                     30        0.0085
86000 only                30        0.0085
86400                     4061      1.1571
86400 only                4060      1.1569
100800                    16457     4.6893
100800 only               13        0.0037
115200                    1         0.0003
115200 only               1         0.0003
129600                    6         0.0017
129600 only               6         0.0017
864000                    6         0.0017
864000 only               6         0.0017
None                      212871    60.6558
None only                 172526    49.1598

Certificate sig alg     Count     Percent
-------------------------+---------+--------
None                      11549     3.2908
ecdsa-with-SHA256         1         0.0003
sha1WithRSAEncryption     308984    88.0424
sha256WithRSAEncryption   41971     11.9593

Certificate key size    Count     Percent
-------------------------+---------+--------
ECDSA 256                 9203      2.6223
ECDSA 384                 2         0.0006
RSA 1024                  1881      0.536
RSA 2028                  1         0.0003
RSA 2047                  2         0.0006
RSA 2048                  336774    95.961
RSA 2056                  3         0.0009
RSA 2058                  1         0.0003
RSA 2060                  1         0.0003
RSA 2064                  1         0.0003
RSA 2080                  2         0.0006
RSA 2084                  4         0.0011
RSA 2408                  1         0.0003
RSA 2432                  58        0.0165
RSA 2536                  1         0.0003
RSA 2612                  1         0.0003
RSA 3050                  1         0.0003
RSA 3072                  31        0.0088
RSA 3073                  1         0.0003
RSA 3248                  4         0.0011
RSA 3600                  1         0.0003
RSA 4042                  1         0.0003
RSA 4046                  2         0.0006
RSA 4048                  2         0.0006
RSA 4086                  1         0.0003
RSA 4092                  2         0.0006
RSA 4096                  12167     3.4669
RSA 4098                  2         0.0006
RSA 4192                  1         0.0003
RSA 8192                  1         0.0003
RSA/ECDSA Dual Stack      9197      2.6206

OCSP stapling             Count     Percent
-------------------------+---------+--------
Supported                 52153     14.8606
Unsupported               298796    85.1394

Supported Protocols       Count     Percent
-------------------------+---------+-------
SSL2                      1         0.0003
SSL3                      346615    98.7651
SSL3 Only                 3485      0.993
SSL3 or TLS1 Only         145785    41.5402
TLS1                      346981    98.8694
TLS1 Only                 1030      0.2935
TLS1.1                    190351    54.2389
TLS1.1 Only               5         0.0014
TLS1.1 or up Only         29        0.0083
TLS1.2                    201166    57.3206
TLS1.2 Only               14        0.004
TLS1.2, 1.0 but not 1.1   14702     4.1892

Scan performed between 10th and 24th June 2014.

Detailed scan results available on request (48MiB xz tarball)

-- 
Regards,
Hubert Kario
Quality Engineer, QE BaseOS Security team
Email: hkario at redhat.com
Web: www.cz.redhat.com
Red Hat Czech s.r.o., Purkyňova 99/71, 612 45, Brno, Czech Republic
--
security mailing list
security at lists.fedoraproject.org
https://admin.fedoraproject.org/mailman/listinfo/security

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