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Author SHA1 Message Date
Joe Testa
8190fe59d0 Added implementation for DHEat denial-of-service attack (CVE-2002-20001). (#211, #217) 2024-04-18 13:58:13 -04:00
Joe Testa
d7f8bf3e6d Updated notes on OpenSSH default key exchanges. (#258) 2024-03-19 18:24:22 -04:00
Joe Testa
3d403b1d70 Updated availability of algorithms in Dropbear. (#257) 2024-03-19 15:47:09 -04:00
Joe Testa
9fae870260 Added allow_larger_keys flag to custom policies to control whether targets can have larger keys, and added Docker tests to complete work started in PR #242. 2024-03-19 14:45:19 -04:00
Damian Szuberski
20873db596
use less-than instead of not-equal when comparing key sizes (#242) 
When evaluating policy compliance, use less-than operator so keys bigger
than expected (and hence very often better) don't fail policy
evaulation. This change reduces the amount of false-positives and allows
for more flexibility when hardening SSH installations.

Signed-off-by: szubersk <szuberskidamian@gmail.com>
 2024-03-19 14:38:27 -04:00
Joe Testa
3c31934ac7 Added tests and other cleanups resulting from merging PR #252. 2024-03-18 17:48:50 -04:00
yannik1015
5bd925ffc6
[WIP] Adding allowed algorithms (#252) 
* Added allowed policy fields

Added allowed fields for host keys kex ciphers and macs

* Adapted policy.py to newest dev version

* Added allow_algorithm_subset_and_reordering flag

* Removed allowed policy entries as they are redundant now

* Fixed call to append_error
 2024-03-18 17:41:17 -04:00
Joe Testa
7b3402b207 Added note that sntrup761x25519-sha512@openssh.com is the default OpenSSH kex since version 9.0. 2024-03-15 17:24:21 -04:00
Joe Testa
b2f46eb71a Added extra GSS wildcard matching test. 2024-03-15 17:05:40 -04:00
Joe Testa
ab41ca1023 Re-organized README. 2024-03-15 16:28:10 -04:00
Joe Testa
b70fb0bc4c Added built-in policies for Amazon Linux 2023, Debian 12, and Rocky Linux 9. 2024-03-15 16:24:36 -04:00
Joe Testa
db5104ecb8 Built-in policy change logs no longer printed within quotes. 2024-03-14 18:13:53 -04:00
Joe Testa
15078aaea9 Built-in policies now include a change log. 2024-03-14 17:58:16 -04:00
Joe Testa
f0874af4cd Split built-in policies from policy.py to builtin_policies.py. 2024-03-14 17:24:40 -04:00
Joe Testa
064b55e0c2 Added 1 new key exchange algorithm: gss-nistp384-sha384-* 2024-03-14 16:01:48 -04:00
Joe Testa
a4f508374a Updated README. 2024-03-12 21:13:10 -04:00
Daniel Thamdrup
6f39407a8c
use alpine, reduce layers (#249) 
Signed-off-by: Daniel Thamdrup <dallemon@protonmail.com>
 2024-03-12 21:02:26 -04:00
Joe Testa
cb0f6b63d7 Fixed new pylint warnings. 2024-03-12 20:46:39 -04:00
Joe Testa
3313046714 Added built-in policy for OpenSSH 9.7. 2024-03-12 20:23:55 -04:00
Peter Dave Hello
8ee0deade1
Properly upgrade packages and clean up apt cache in Dockerfile (#218) 
Result:
```
REPOSITORY     TAG       IMAGE ID       CREATED              SIZE
ssh-audit      after     03e247aee0cc   About a minute ago   131MB
ssh-audit      before    609962ceafb1   About a minute ago   150MB
```
 2024-02-18 10:25:14 -05:00
Joe Testa
699739d42a Gracefully handle rare exceptions (i.e.: crashes) while performing GEX tests. 2024-02-17 13:44:06 -05:00
Joe Testa
a958fd1fec Snap builds are now architecture-independent. (#232) 2024-02-17 12:54:28 -05:00
Joe Testa
c33f419224 Updated '-m', '--manual' description in README. 2024-02-16 23:16:07 -05:00
Joe Testa
6ee4899b4f Bumped copyright year. 2024-02-16 23:13:55 -05:00
Joe Testa
20fbb706b0 The built-in man page (, ) is now available on Docker, PyPI, and Snap builds, in addition to the Windows build. (#231) 2024-02-16 22:40:53 -05:00
Joe Testa
73b669b49d Fixed parsing of ecdsa-sha2-nistp* CA signatures on host keys. Additionally, they are now flagged as potentially back-doored, just as standard host keys are. (#239) 2024-02-16 21:58:51 -05:00
Joe Testa
f326d58068 Disable color when the NO_COLOR environment variable is set. (#234) 2024-01-28 18:17:49 -05:00
Joe Testa
b72f6a420f Added note regarding general OpenSSH policies failing against platforms with back-ported features. (#236) 2024-01-28 17:37:21 -05:00
Joe Testa
fe65b5df8a Added missing dev tag to Change Log: v3.2.0 -> v3.2.0-dev 2023-12-21 15:34:38 -05:00
Joe Testa
44393c56b3 Expanded filter of CBC ciphers to flag for the Terrapin vulnerability. 2023-12-21 15:30:43 -05:00
Ville Skyttä
164356e776
Spelling fixes (#233) 2023-12-21 08:58:12 -05:00
Joe Testa
c8e075ad13 Bumped version number to v3.2.0-dev. 2023-12-20 15:41:03 -05:00
Joe Testa
eebeac99a0 Updated packaging instructions and Docker build steps. 2023-12-20 15:40:01 -05:00
Joe Testa
dd91c2a41a Bumped version to 3.1.0 in preparation for stable release. Updated Change Log in README. 2023-12-20 13:12:13 -05:00
Joe Testa
bef8c6c0f7 Updated notes on fixing Terrapin vulnerability. 2023-12-20 12:11:55 -05:00
Joe Testa
75dbc03a77 Added 'additional_notes' field to JSON output. 2023-12-19 18:03:07 -05:00
Joe Testa
c9412cbb88 Added built-in policies for OpenSSH 9.5 and 9.6. 2023-12-19 17:42:43 -05:00
Joe Testa
a0f99942a2 Don't recommend enabling the chacha & CBC ciphers, nor ETM MACs in case the user disabled them to address the Terrapin vulnerability. (#229) 2023-12-19 17:16:58 -05:00
Joe Testa
c259a83782 Added note that when a target is properly configured against the Terrapin vulnerability that unpatched peers may still create vulnerable connections. Updated Ubuntu Server & Client 20.04 & 22.04 policies to include new key exchange markers related to Terrapin counter-measures. 2023-12-19 14:03:28 -05:00
Joe Testa
8e972c5e94 Added test for the Terrapin vulnerability (CVE-2023-48795) (#227). 2023-12-18 18:24:49 -05:00
Joe Testa
46eb970376 Removed Python 3.7 from Github Actions testing. 2023-11-27 23:39:48 -05:00
Joe Testa
965bcb6b18 Dropped support for Python 3.7. 2023-11-27 23:35:40 -05:00
Joe Testa
ba8e8a7e68 Re-organized option host key types for OpenSSH 9.2 to correspond with updated Debian 12 hardening guide. 2023-11-27 21:33:13 -05:00
Joe Testa
bad2c9cd8e In Ubuntu 22.04 client policy, moved host key types and to the end of all certificate types. 2023-11-27 20:07:36 -05:00
Joe Testa
69e1e121fd In server policies, reduced expected DH modulus sizes from 4096 to 3072 to match online hardening guides. 2023-11-27 19:15:18 -05:00
Oleksii
848052df68
Add cleanup for apt cache files (#215) 
* Add cleanup for apt cache files

Adding this command decreases the size of the image.

ssh-audit-new                                           latest                 0c391ba567ee   39 minutes ago   157MB
ssh-audit-old                                           latest                 a425e0043125   40 minutes ago   176MB

* Fix Dockerfile

Forgot to add logical "and" (&&)
 2023-10-23 13:51:47 -04:00
Joe Testa
d62e4cd80c Added Python 3.12 to Tox tests. 2023-10-22 16:43:04 -04:00
Joe Testa
2809ff464a Added --rm to docker run commands so stopped containers are automatically removed. 2023-09-12 08:38:07 -04:00
Joe Testa
02ab487232 Bumped version to v3.1.0-dev. 2023-09-07 08:57:59 -04:00
Joe Testa
d62acd688e Updated Docker Makefile and packaging instructions. 2023-09-07 08:57:39 -04:00