Firewallbuilder fwbuilder 2.1.19 link following

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Firewallbuilder fwbuilder 2.1.19. Impacted is an unknown function. Executing a manipulation can lead to link following. This vulnerability is handled as CVE-2008-4956. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Firewallbuilder fwbuilder 2.1.19 (Firewall Software) and classified as critical. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

fwb_install in fwbuilder 2.1.19 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/ssh-agent.##### temporary file.

The weakness was released 11/05/2008 (Website). The advisory is shared for download at bugs.gentoo.org. This vulnerability was named CVE-2008-4956 since 11/05/2008. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 57653 (GLSA-201201-11 : Firewall Builder: Privilege escalation), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (57653) and SecurityFocus (BID 36468†). Entry connected to this vulnerability is available at VDB-52053. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 57653
Nessus Name: GLSA-201201-11 : Firewall Builder: Privilege escalation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 70812
OpenVAS Name: Gentoo Security Advisory GLSA 201201-11 (fwbuilder)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

11/05/2008 🔍
11/05/2008 +0 days 🔍
11/05/2008 +0 days 🔍
09/21/2009 +319 days 🔍
01/23/2012 +854 days 🔍
01/24/2012 +1 days 🔍
03/17/2015 +1148 days 🔍
08/03/2021 +2331 days 🔍

Sourcesinfo

Advisory: bugs.gentoo.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-4956 (🔍)
GCVE (CVE): GCVE-0-2008-4956
GCVE (VulDB): GCVE-100-44896
SecurityFocus: 36468

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/03/2021 07:48
Changes: 03/17/2015 16:11 (62), 04/21/2019 17:31 (3), 08/03/2021 07:48 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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