Mozilla Bugzilla up to 2.21 usevisibilitygroups 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 classified as problematic has been found in Mozilla Bugzilla 2.19.1/2.19.2/2.19.3/2.20/2.21. Affected is an unknown function. Performing a manipulation of the argument usevisibilitygroups results in information disclosure. This vulnerability is reported as CVE-2005-3139. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in Mozilla Bugzilla 2.19.1/2.19.2/2.19.3/2.20/2.21 (Bug Tracking Software). This affects some unknown processing. The manipulation of the argument usevisibilitygroups with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

Bugzilla 2.19.1 through 2.20rc2 and 2.21, with user matching turned on in substring mode, allows attackers to list all users whose names match an arbitrary substring, even when the usevisibilitygroups parameter is set.

The bug was discovered 09/30/2006. The weakness was disclosed 10/05/2005 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2005-3139 since 10/05/2005. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 12190 (Mozilla Bugzilla User-Matching Information Disclosure Vulnerability).

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 (22490), SecurityFocus (BID 14996†), OSVDB (19812†), Secunia (SA17030†) and Vulnerability Center (SBV-13353†). The entry VDB-26486 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Bug Tracking Software

Vendor

Mozilla

Name

Bugzilla

Version

License

open-source

Website

Vendor: https://www.mozilla.org/

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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/01/2005 🔍
10/03/2005 +2 days 🔍
10/05/2005 +2 days 🔍
10/05/2005 +0 days 🔍
10/05/2005 +0 days 🔍
09/30/2006 +360 days 🔍
12/17/2006 +78 days 🔍
03/11/2015 +3006 days 🔍
06/29/2025 +3763 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-3139 (🔍)
GCVE (CVE): GCVE-0-2005-3139
GCVE (VulDB): GCVE-100-26487
X-Force: 22490
SecurityFocus: 14996 - Bugzilla User-Matching Information Disclosure Vulnerability
Secunia: 17030
OSVDB: 19812 - Bugzilla User-Matching Information Disclosure Issue
Vulnerability Center: 13353 - Bugzilla Remote Sensitive Information Disclosure (List of Users), Low

See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 06/29/2025 06:56
Changes: 03/11/2015 23:39 (52), 07/12/2019 06:52 (11), 06/29/2025 06:56 (18)
Complete: 🔍
Cache ID: 216::103