FlatNuke 2.5.6 cleartext storage

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.3$0-$5k0.00

A vulnerability was found in FlatNuke 2.5.6 (Content Management System) and classified as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a cleartext storage vulnerability. Using CWE to declare the problem leads to CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

FlatNuke 2.5.6 verifies authentication credentials based on an MD5 checksum of the admin name and the hashed password rather than the plaintext password, which allows attackers to gain privileges by obtaining the password hash (possibly via CVE-2005-2813), then calculating the credentials and including them in the secid cookie.

The bug was discovered 12/09/2005. The weakness was shared 12/21/2005 by rgod (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2005-4448 since 12/21/2005. 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 are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1555 for this issue.

The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 20293 (FlatNuke index.php id Parameter Traversal Arbitrary File Access), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (22159) and Tenable (20293). The entries 27451, 26235 and 27690 are related to this item.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.3

VulDB Base Score: 9.8
VulDB Temp Score: 9.3
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: Cleartext storage
CWE: CWE-312 / CWE-310
ATT&CK: T1555

Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 20293
Nessus Name: FlatNuke index.php id Parameter Traversal Arbitrary File Access
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/09/2005 🔍
12/10/2005 +1 days 🔍
12/11/2005 +1 days 🔍
12/12/2005 +1 days 🔍
12/21/2005 +9 days 🔍
12/21/2005 +0 days 🔍
12/21/2005 +0 days 🔍
12/21/2005 +0 days 🔍
01/01/2006 +11 days 🔍
03/12/2015 +3357 days 🔍
07/07/2021 +2309 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: rgod
Status: Not defined

CVE: CVE-2005-4448 (🔍)
X-Force: 22159
SecurityTracker: 1015339
Vulnerability Center: 10082 - FlatNuke Allows Gaining Privileges by Obtaining the Password Hash, High
SecurityFocus: 15796 - Flatnuke Index.PHP Directory Traversal Vulnerability
OSVDB: 22783 - CVE-2005-4448 - FlatNuke - Privilege Escalation Issue

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

Entryinfo

Created: 03/12/2015 11:11
Updated: 07/07/2021 07:37
Changes: 03/12/2015 11:11 (70), 06/13/2019 06:32 (4), 07/07/2021 07:37 (3)
Complete: 🔍

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