Description
RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (Access-Accept, Access-Reject, or Access-Challenge) to any other response using a chosen-prefix collision attack against MD5 Response Authenticator signature.
Problem types
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-924 Improper Enforcement of Message Integrity During Transmission in a Communication Channel
Product status
Credits
Thanks to Sharon Goldberg, Miro Haller, Nadia Heninger, Mike Milano, Dan Shumow, Marc Stevens, and Adam Suhl who researched and reported this vulnerability
References
security.netapp.com/advisory/ntap-20240822-0001/
today.ucsd.edu/...erabilities-in-a-popular-security-protocol
datatracker.ietf.org/doc/html/rfc2865
datatracker.ietf.org/...raft-ietf-radext-deprecating-radius/
networkradius.com/assets/pdf/radius_and_md5_collisions.pdf
www.openwall.com/lists/oss-security/2024/07/09/4
psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0014
www.kb.cert.org/vuls/id/456537
datatracker.ietf.org/doc/html/rfc2865
datatracker.ietf.org/...raft-ietf-radext-deprecating-radius/
networkradius.com/assets/pdf/radius_and_md5_collisions.pdf
www.openwall.com/lists/oss-security/2024/07/09/4
psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0014
cert-portal.siemens.com/productcert/html/ssa-794185.html (Siemens Security Advisory by Siemens ProductCERT for SIPROTEC, SICAM and related product)
cert-portal.siemens.com/productcert/html/ssa-723487.html (Siemens Security Advisory by Siemens ProductCERT to SCALANCE, RUGGEDCOM and related products.)