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CVE
PUBLISHED

CVE-2024-3596

RADIUS Protocol under RFC2865 is vulnerable to forgery attacks.

Assignercertcc
Reserved2024-04-10
Published2024-07-09
Updated2024-07-11

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-328: Use of Weak Hash

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

2865
affected

Credits

Thanks to Sharon Goldberg, Miro Haller, Nadia Heninger, Mike Milano, Dan Shumow, Marc Stevens, and Adam Suhl who researched and reported this vulnerability finder

References

https://datatracker.ietf.org/doc/html/rfc2865

https://datatracker.ietf.org/doc/draft-ietf-radext-deprecating-radius/

https://networkradius.com/assets/pdf/radius_and_md5_collisions.pdf

https://www.blastradius.fail/

http://www.openwall.com/lists/oss-security/2024/07/09/4

cve.org CVE-2024-3596

nvd.nist.gov CVE-2024-3596

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