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CVE-2016-6210

sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on a static password when the us

Published
Last modified
published
Not listed in CISA KEV
2 on Exploit-DB, 1 Metasploit module, 7 proofs of concept on GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on a static password when the username does not exist, which allows remote attackers to enumerate users by leveraging the timing difference between responses when a large password is provided.

Timeline

  1. Public exploit on Exploit-DB

    EDB-40113, EDB-40136

  2. CVE published
  3. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  4. Record last updated
  5. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • n/a n/a

    Version range not reported

References 22

access.redhat.com

securitytracker.com

seclists.org

debian.org

Exploit-DB

openssh.com

security.gentoo.org

securityfocus.com

security.netapp.com

cert-portal.siemens.com

GitHub · rapid7/metasploit-framework

GitHub · Alisha-chaudhary/ssh-enum

GitHub · KiPhuong/cve-2016-6210

GitHub · goomdan/CVE-2016-6210-exploit

GitHub · justlce/CVE-2016-6210-Exploit

GitHub · nicoleman0/CVE-2016-6210-OpenSSHd-7.2p2

GitHub · samh4cks/CVE-2016-6210-OpenSSH-User-Enumeration

GitHub · wabiyagi/CVE-2016-6210