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Use of a Broken or Risky Cryptographic Algorithm

CVE-2022-45141

High
9.8/10

Summary

Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and per RFC8429 it is assumed that rc4-hmac is weak, Vulnerable Samba Active Directory DCs will issue rc4-hmac encrypted tickets despite the target server supporting better encryption (eg aes256-cts-hmac-sha1-96). This issue affects samba versions prior to 4.15.13.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

The use of a broken or risky cryptographic algorithm is an unnecessary risk that may result in the exposure of sensitive information.

References

Advisory Timeline

  • Published