Vulnerability Report

CVE-2009-3111

Title: Freeradius Denial of Service (DoS)

Denial of Service (DoS)

Proof Of Concept

PoC Available for CVE-2009-3111

CWE Category NVD-CWE-noinfo

Published Date Sep 09, 2009

Modified Date Apr 09, 2025

Exploit Status Available

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

17.90%

Vulnerability Summary

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.

Impacted Vendors

freeradius 1

Reference Links

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

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2009-3111 Exploits & PoCs (Proof Of Concept)

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

View Code

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

September 09, 2009 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.