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    CVE-2009-3111

    The rad_decode function in FreeRADIUS before 1.1.8 allows remote attackers to cause a denial of service (radiusd crash) via zero-length Tunnel-Password attributes, as demonstrated by a certain module in VulnDisco Pack Professional 7.6 through 8.11. NOTE: this is a regression error related to CVE-2003-0967.

    Published:Sep 7, 2009
    Last Modified:Apr 23, 2026
    EPS:Sep 9, 2009
    EPSS Score:0.17898
    CVSS Score:5

    Affected Products

    Vendor
    Freeradius
    Product
    Freeradius
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://www.exploit-db.com/exploits/9642

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2024-3596 (CVSS 9) — RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid …
    CVE-2022-41861 (CVSS 6.5) — A flaw was found in freeradius. A malicious RADIUS client or home server can send a malformed abinary attribut…
    CVE-2022-41860 (CVSS 7.5) — In freeradius, when an EAP-SIM supplicant sends an unknown SIM option, the server will try to look that option…
    CVE-2022-41859 (CVSS 7.5) — In freeradius, the EAP-PWD function compute_password_element() leaks information about the password which allo…
    CVE-2019-17185 (CVSS 7.5) — In FreeRADIUS 3.0.x before 3.0.20, the EAP-pwd module used a global OpenSSL BN_CTX instance to handle all hand…
    CVE-2019-13456 (CVSS 6.5) — In FreeRADIUS 3.0 through 3.0.19, on average 1 in every 2048 EAP-pwd handshakes fails because the password ele…
    CVE-2019-10143 (CVSS 7) — It was discovered freeradius up to and including version 3.0.19 does not correctly configure logrotate, allowi…
    CVE-2019-11234 (CVSS 9.8) — FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing, aka a "Dragonblood" i…
    CVE-2019-11235 (CVSS 9.8) — FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range,…
    CVE-2017-10984 (CVSS 9.8) — An FR-GV-301 issue in FreeRADIUS 3.x before 3.0.15 allows "Write overflow in data2vp_wimax()" - this allows re…

    References

    http://github.com/alandekok/freeradius-server/commit/860cad9e02ba344edb0038419e415fe05a9a01f4
    http://intevydis.com/vd-list.shtml
    http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html
    http://secunia.com/advisories/36509
    http://support.apple.com/kb/HT3937
    http://www.openwall.com/lists/oss-security/2009/09/09/1
    http://www.redhat.com/support/errata/RHSA-2009-1451.html
    http://www.securityfocus.com/bid/36263
    http://www.vupen.com/english/advisories/2009/3184
    https://lists.freeradius.org/pipermail/freeradius-users/2009-September/msg00242.html
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9919
    http://github.com/alandekok/freeradius-server/commit/860cad9e02ba344edb0038419e415fe05a9a01f4
    http://intevydis.com/vd-list.shtml
    http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html
    http://secunia.com/advisories/36509
    http://support.apple.com/kb/HT3937
    http://www.openwall.com/lists/oss-security/2009/09/09/1
    http://www.redhat.com/support/errata/RHSA-2009-1451.html
    http://www.securityfocus.com/bid/36263
    http://www.vupen.com/english/advisories/2009/3184
    https://lists.freeradius.org/pipermail/freeradius-users/2009-September/msg00242.html
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9919

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High