FreePBX up to 2.5.2 Error Message information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in FreePBX up to 2.5.2 and classified as problematic. This impacts an unknown function of the component Error Message Handler. Such manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2009-1803. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in FreePBX up to 2.5.2. Affected by this issue is an unknown code of the component Error Message Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

FreePBX 2.5.1, and other 2.4.x, 2.5.x, and pre-release 2.6.x versions, generates different error messages for a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.

The weakness was disclosed 05/06/2009 by Dejan Levaja (Mike) (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2009-1803 since 05/28/2009. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

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

The vulnerability is also documented in the databases at SecurityFocus (BID 34857†), OSVDB (54263†) and Secunia (SA34772†). The entries VDB-48331 and VDB-48330 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• FreePBX

Version

• 2.4
• 2.4.0
• 2.4.0 Beta1
• 2.4.0 Beta2
• 2.4.1
• 2.5
• 2.5.0
• 2.5.0 Beta1
• 2.5.0rc2
• 2.5.0rc3
• 2.5.1
• 2.5.2

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

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

Timelineinfo

05/06/2009 🔍
05/06/2009 +0 days 🔍
05/07/2009 +1 days 🔍
05/07/2009 +0 days 🔍
05/07/2009 +0 days 🔍
05/28/2009 +20 days 🔍
05/28/2009 +0 days 🔍
03/17/2015 +2119 days 🔍
11/10/2018 +1334 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Dejan Levaja (Mike)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-1803 (🔍)
GCVE (CVE): GCVE-0-2009-1803
GCVE (VulDB): GCVE-100-48332
SecurityFocus: 34857 - FreePBX Multiple Cross Site Scripting and Information Disclosure Vulnerabilities
Secunia: 34772 - freePBX Multiple Vulnerabilities, Less Critical
OSVDB: 54263 - FreePBX Login Error Message User Enumeration

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 11/10/2018 08:58
Changes: 03/17/2015 23:38 (59), 11/10/2018 08:58 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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