openSUSE Security Update: Security update for ssh-audit
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Announcement ID:    openSUSE-SU-2021:1390-1
Rating:             moderate
References:         
Cross-References:   CVE-2018-15473
CVSS scores:
                    CVE-2018-15473 (NVD) : 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
                    CVE-2018-15473 (SUSE): 5.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Affected Products:
                    openSUSE Backports SLE-15-SP3
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   An update that fixes one vulnerability is now available.

Description:

   This update for ssh-audit fixes the following issues:

   ssh-audit was updated to version 2.5.0

   * Fixed crash when running host key tests.
   * Handles server connection failures more gracefully.
   * Now prints JSON with indents when -jj is used (useful for debugging).
   * Added MD5 fingerprints to verbose output.
   * Added -d/--debug option for getting debugging output.
   * Updated JSON output to include MD5 fingerprints. Note that this results
     in a breaking change in the 'fingerprints' dictionary format.
   * Updated OpenSSH 8.1 (and earlier) policies to include rsa-sha2-512 and
     rsa-sha2-256.
   * Added OpenSSH v8.6 & v8.7 policies.
   * Added 3 new key exchanges:

     + gss-gex-sha1-eipGX3TCiQSrx573bT1o1Q=     + gss-group1-sha1-eipGX3TCiQSrx573bT1o1Q=     + gss-group14-sha1-eipGX3TCiQSrx573bT1o1Q=   * Added 3 new MACs:

     + hmac-ripemd160-96
     + AEAD_AES_128_GCM
     + AEAD_AES_256_GCM

   Update to version 2.4.0

   * Added multi-threaded scanning support.
   * Added version check for OpenSSH user enumeration (CVE-2018-15473).
   * Added deprecation note to host key types based on SHA-1.
   * Added extra warnings for SSHv1.
   * Added built-in hardened OpenSSH v8.5 policy.
   * Upgraded warnings to failures for host key types based on SHA-1
   * Fixed crash when receiving unexpected response during host key test.
   * Fixed hang against older Cisco devices during host key test & gex test.
   * Fixed improper termination while scanning multiple targets when
     one target returns an error.
   * Dropped support for Python 3.5 (which reached EOL in Sept.2020)
   * Added 1 new key exchange: sntrup761x25519-sha512@openssh.com.


Patch Instructions:

   To install this openSUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - openSUSE Backports SLE-15-SP3:

      zypper in -t patch openSUSE-2021-1390=1



Package List:

   - openSUSE Backports SLE-15-SP3 (noarch):

      ssh-audit-2.5.0-bp153.2.3.1


References:

   https://www.suse.com/security/cve/CVE-2018-15473.html