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OpenAdvisories
High ALSA-2024:4936 1 CVE

Important: freeradius:3.0 security update

Published Jul 31, 2024 · Updated Oct 29, 2026

Summary

FreeRADIUS is a high-performance and highly configurable free Remote Authentication Dial In User Service (RADIUS) server, designed to allow centralized authentication and authorization for a network.

Security Fix(es):

* freeradius: forgery attack (CVE-2024-3596)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 13

ReleasePackageFixed in
AlmaLinux · 8 freeradius 3.0.20-15.module_el8.10.0+3873+5b7fed0f
AlmaLinux · 8 freeradius-devel 3.0.20-15.module_el8.10.0+3873+5b7fed0f
AlmaLinux · 8 freeradius-doc 3.0.20-15.module_el8.10.0+3873+5b7fed0f
AlmaLinux · 8 freeradius-krb5 3.0.20-15.module_el8.10.0+3873+5b7fed0f
AlmaLinux · 8 freeradius-ldap 3.0.20-15.module_el8.10.0+3873+5b7fed0f
AlmaLinux · 8 freeradius-mysql 3.0.20-15.module_el8.10.0+3873+5b7fed0f
AlmaLinux · 8 freeradius-perl 3.0.20-15.module_el8.10.0+3873+5b7fed0f
AlmaLinux · 8 freeradius-postgresql 3.0.20-15.module_el8.10.0+3873+5b7fed0f
AlmaLinux · 8 freeradius-rest 3.0.20-15.module_el8.10.0+3873+5b7fed0f
AlmaLinux · 8 freeradius-sqlite 3.0.20-15.module_el8.10.0+3873+5b7fed0f
AlmaLinux · 8 freeradius-unixODBC 3.0.20-15.module_el8.10.0+3873+5b7fed0f
AlmaLinux · 8 freeradius-utils 3.0.20-15.module_el8.10.0+3873+5b7fed0f
AlmaLinux · 8 python3-freeradius 3.0.20-15.module_el8.10.0+3873+5b7fed0f

Vulnerabilities 1

  • Critical 9.0
    CVE-2024-3596 Public exploit EPSS 15%

    RADIUS Protocol under RFC2865 is vulnerable to forgery attacks.

    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 Authen…

References

  • report
    https://access.redhat.com/security/cve/CVE-2024-3596
  • report
    https://bugzilla.redhat.com/2263240
  • advisory
    https://errata.almalinux.org/8/ALSA-2024-4936.html