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Flag 'ssh-rsa-cert-v01@openssh.com' as unsafe due to SHA-1 hash.

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Joe Testa
2020-10-20 17:39:34 -04:00
parent ec48249deb
commit 619efc7349
3 changed files with 3 additions and 2 deletions
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1
README.md
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@@ -158,6 +158,7 @@ For convenience, a web front-end on top of the command-line tool is available at
## ChangeLog ## ChangeLog
### v2.3.1-dev (???) ### v2.3.1-dev (???)
- Flag `ssh-rsa-cert-v01@openssh.com` as a failure due to SHA-1 hash.
- Now parses public key sizes for `rsa-sha2-256-cert-v01@openssh.com` and `rsa-sha2-512-cert-v01@openssh.com` host key types. - Now parses public key sizes for `rsa-sha2-256-cert-v01@openssh.com` and `rsa-sha2-512-cert-v01@openssh.com` host key types.
- Built-in policies now include CA key requirements (if certificates are in use). - Built-in policies now include CA key requirements (if certificates are in use).
- Migrated pre-made policies from external files to internal database. - Migrated pre-made policies from external files to internal database.

2
src/ssh_audit/algorithms.py
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@@ -179,7 +179,7 @@ class Algorithms:
else: else:
if faults == 0: if faults == 0:
continue continue
if n in ['diffie-hellman-group-exchange-sha256', 'rsa-sha2-256', 'rsa-sha2-512', 'ssh-rsa-cert-v01@openssh.com']: if n in ['diffie-hellman-group-exchange-sha256', 'rsa-sha2-256', 'rsa-sha2-512', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com']:
rec[sshv][alg_type]['chg'][n] = faults rec[sshv][alg_type]['chg'][n] = faults
else: else:
rec[sshv][alg_type]['del'][n] = faults rec[sshv][alg_type]['del'][n] = faults

2
src/ssh_audit/ssh2_kexdb.py
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@@ -140,7 +140,7 @@ class SSH2_KexDB: # pylint: disable=too-few-public-methods
'x509v3-ssh-rsa': [[], [], [WARN_HASH_WEAK]], 'x509v3-ssh-rsa': [[], [], [WARN_HASH_WEAK]],
'ssh-rsa-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_OPENSSH70_LEGACY], []], 'ssh-rsa-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_OPENSSH70_LEGACY], []],
'ssh-dss-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_LEGACY], [WARN_RNDSIG_KEY]], 'ssh-dss-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_LEGACY], [WARN_RNDSIG_KEY]],
'ssh-rsa-cert-v01@openssh.com': [['5.6']], 'ssh-rsa-cert-v01@openssh.com': [['5.6'], [WARN_HASH_WEAK]],
'ssh-dss-cert-v01@openssh.com': [['5.6', '6.9'], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_WEAK], [WARN_RNDSIG_KEY]], 'ssh-dss-cert-v01@openssh.com': [['5.6', '6.9'], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_WEAK], [WARN_RNDSIG_KEY]],
'ecdsa-sha2-nistp256-cert-v01@openssh.com': [['5.7'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]], 'ecdsa-sha2-nistp256-cert-v01@openssh.com': [['5.7'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
'ecdsa-sha2-nistp384-cert-v01@openssh.com': [['5.7'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]], 'ecdsa-sha2-nistp384-cert-v01@openssh.com': [['5.7'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],