FreeRADIUS up to 1.1.7 rad_decode denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in FreeRADIUS. It has been rated as problematic. This issue affects the function rad_decode. The manipulation leads to denial of service. This vulnerability is traded as CVE-2009-3111. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in FreeRADIUS (Network Authentication Software). This issue affects the function rad_decode. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

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.

The weakness was shared 09/09/2009 with Intevydis (oss-sec). The advisory is shared at openwall.com. The identification of this vulnerability is CVE-2009-3111. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed in Python. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 42049 (openSUSE 10 Security Update : freeradius (freeradius-6496)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155790 (Oracle Enterprise Linux Update for FreeRADIUS (ELSA-2009-1451)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8683.

The vulnerability is also documented in the databases at X-Force (53219), Exploit-DB (9642), Tenable (42049), SecurityFocus (BID 36263†) and Secunia (SA36509†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 42049
Nessus Name: openSUSE 10 Security Update : freeradius (freeradius-6496)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 66614
OpenVAS Name: FreeBSD Ports: freeradius
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

09/03/2009 🔍
09/03/2009 +0 days 🔍
09/09/2009 +5 days 🔍
09/09/2009 +0 days 🔍
09/09/2009 +0 days 🔍
09/22/2009 +13 days 🔍
10/07/2009 +15 days 🔍
03/18/2015 +1988 days 🔍
02/27/2025 +3634 days 🔍

Sourcesinfo

Advisory: openwall.com
Organization: Intevydis
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-3111 (🔍)
GCVE (CVE): GCVE-0-2009-3111
GCVE (VulDB): GCVE-100-49889

OVAL: 🔍

X-Force: 53219
SecurityFocus: 36263 - FreeRADIUS Zero-length Tunnel-Password Attributes Denial of Service Vulnerability
Secunia: 36509
Vulnerability Center: 23541 - FreeRADIUS Prior to 1.1.8 Zero-length Tunnel-Password Remote DoS Vulnerability, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/18/2015 15:15
Updated: 02/27/2025 11:46
Changes: 03/18/2015 15:15 (63), 02/15/2017 09:13 (12), 08/22/2021 09:33 (4), 08/22/2021 09:36 (1), 12/27/2024 06:13 (19), 02/03/2025 01:36 (2), 02/27/2025 11:46 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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