Sean Macguire Big Brother up to 1.4h2 File Upload privileges management

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.
6.6$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Sean Macguire Big Brother up to 1.4h2. This affects an unknown function of the component File Upload. This manipulation causes privileges management. This vulnerability is handled as CVE-2000-0639. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Sean Macguire Big Brother up to 1.4h2. Affected by this vulnerability is some unknown functionality of the component File Upload. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The default configuration of Big Brother 1.4h2 and earlier does not include proper access restrictions, which allows remote attackers to execute arbitrary commands by using bbd to upload a file whose extension will cause it to be executed as a CGI script by the web server.

The bug was discovered 07/11/2000. The weakness was released 06/11/2001 as not defined posting (Bugtraq). The advisory is shared at archives.neohapsis.com. This vulnerability is known as CVE-2000-0639. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10375 (BB4 Big Brother CGI File Creation 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 (5103), Exploit-DB (20092), SecurityFocus (BID 1494†), OSVDB (1472†) and Vulnerability Center (SBV-6702†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Timelineinfo

06/11/2000 🔍
06/11/2000 +0 days 🔍
06/11/2000 +0 days 🔍
07/11/2000 +30 days 🔍
06/11/2001 +335 days 🔍
02/21/2003 +620 days 🔍
01/02/2005 +680 days 🔍
06/25/2014 +3461 days 🔍
10/13/2025 +4128 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Status: Not defined

CVE: CVE-2000-0639 (🔍)
GCVE (CVE): GCVE-0-2000-0639
GCVE (VulDB): GCVE-100-15661
X-Force: 5103 - Big Brother allows remote creation of filenames with arbitrary extensions
SecurityFocus: 1494 - BB4 Big Brother CGI File Creation Vulnerability
OSVDB: 1472 - Sean MacGuire Big Brother 1.4 File Creation
Vulnerability Center: 6702 - Code Execution in Sean MacGuire Big Brother via bbd, High

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

Entryinfo

Created: 06/25/2014 12:02
Updated: 10/13/2025 04:26
Changes: 06/25/2014 12:02 (56), 06/03/2019 06:46 (7), 07/07/2024 01:52 (25), 10/13/2025 04:26 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!