CVE-2023-51384

Summary

In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys, these constraints are only applied to the first key, even if a PKCS#11 token returns multiple keys.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://www.openssh.com/txt/release-9.6
• https://www.openwall.com/lists/oss-security/2023/12/18/2
• https://github.com/openssh/openssh-portable/commit/881d9c6af9da4257c69c327c4e2f1508b2fa754b
• https://www.debian.org/security/2023/dsa-5586
• https://security.netapp.com/advisory/ntap-20240105-0005/
• https://support.apple.com/kb/HT214084
• http://seclists.org/fulldisclosure/2024/Mar/21

Additional References

• https://cert-portal.siemens.com/productcert/html/ssa-794697.html
• https://cert-portal.siemens.com/productcert/html/ssa-769027.html
• https://cert-portal.siemens.com/productcert/html/ssa-082556.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.openssh.com/txt/release-9.6
• https://www.openwall.com/lists/oss-security/2023/12/18/2
• https://github.com/openssh/openssh-portable/commit/881d9c6af9da4257c69c327c4e2f1508b2fa754b
• https://www.debian.org/security/2023/dsa-5586
• https://security.netapp.com/advisory/ntap-20240105-0005/
• https://support.apple.com/kb/HT214084
• http://seclists.org/fulldisclosure/2024/Mar/21

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