Fwbuilder Firewall Builder 3.0.4 link following

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

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Fwbuilder Firewall Builder 3.0.4. Affected by this issue is some unknown functionality. Performing a manipulation results in link following. This vulnerability was named CVE-2009-4664. There is no available exploit.

Detailsinfo

A vulnerability was found in Fwbuilder Firewall Builder 3.0.4 (Firewall Software). It has been classified as problematic. This affects an unknown functionality. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on integrity, and availability. The summary by CVE is:

Firewall Builder 3.0.4, 3.0.5, and 3.0.6, when running on Linux, allows local users to gain privileges via a symlink attack on an unspecified temporary file that is created by the iptables script.

The weakness was presented 09/18/2009 as Bug 524588 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2009-4664 since 03/03/2010. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 41021 (FreeBSD : fwbuilder -- security issue in temporary file handling (113cd7e9-a4e2-11de-84af-001195e39404)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks.

A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (53392), Tenable (41021), SecurityFocus (BID 36468†), OSVDB (58247†) and Secunia (SA36809†). See VDB-44896 for similar entry. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.1
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: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 41021
Nessus Name: FreeBSD : fwbuilder -- security issue in temporary file handling (113cd7e9-a4e2-11de-84af-001195e39404)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 64927
OpenVAS Name: FreeBSD Ports: fwbuilder
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

09/18/2009 🔍
09/18/2009 +0 days 🔍
09/18/2009 +0 days 🔍
09/21/2009 +3 days 🔍
09/21/2009 +0 days 🔍
09/21/2009 +0 days 🔍
09/21/2009 +0 days 🔍
03/03/2010 +162 days 🔍
03/03/2010 +0 days 🔍
10/06/2010 +217 days 🔍
03/18/2015 +1624 days 🔍
05/01/2026 +4062 days 🔍

Sourcesinfo

Advisory: Bug 524588
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-4664 (🔍)
GCVE (CVE): GCVE-0-2009-4664
GCVE (VulDB): GCVE-100-52053
X-Force: 53392
SecurityFocus: 36468 - NetCitadel Firewall Builder Script Generation Insecure Temporary File Creation Vulnerability
Secunia: 36809 - Firewall Builder Insecure Temporary Files, Not Critical
OSVDB: 58247 - Firewall Builder iptables Script Temporary File Symlink Arbitrary File Overwrite
Vulnerability Center: 27461 - Firewall Builder 3.0.4, 3.0.5, and 3.0.6 Local Privilege Escalation Vulnerability, Medium
Vupen: ADV-2010-0389

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 05/01/2026 14:41
Changes: 03/18/2015 15:15 (67), 03/07/2017 08:21 (13), 09/03/2021 00:26 (3), 05/01/2026 14:41 (15)
Complete: 🔍
Cache ID: 216::103

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