NetBus 1.5/1.6/1.7 Authentication improper authentication

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.
4.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in NetBus 1.5/1.6/1.7. Affected by this vulnerability is an unknown functionality of the component Authentication. The manipulation results in improper authentication. This vulnerability is identified as CVE-2003-1475. The attack can be executed remotely. Additionally, an exploit exists. It is suggested to disable the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in NetBus 1.5/1.6/1.7 (Remote Access Software). Affected is an unknown part of the component Authentication. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

Netbus 1.5 through 1.7 allows more than one client to be connected at the same time, but only prompts the first connection for authentication, which allows remote attackers to gain access.

The weakness was released 05/09/2003 by sKyZ as not defined posting (Bugtraq). The advisory is available at securityfocus.com. This vulnerability is traded as CVE-2003-1475 since 10/24/2007. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. The exploit is shared for download at google.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 10151 (NetBus 1.x Software Detection), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Backdoors and running in the context r.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at directory.google.com. Attack attempts may be identified with Snort ID 115.

The vulnerability is also documented in the databases at X-Force (11982), Tenable (10151), SecurityFocus (BID 7538†), OSVDB (59637†) and Vulnerability Center (SBV-20326†). Further details are available at securityfocus.com. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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

Nessus ID: 10151
Nessus Name: NetBus 1.x Software Detection
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Disable
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Patch: directory.google.com

Snort ID: 115

Timelineinfo

08/18/1999 🔍
05/09/2003 +1359 days 🔍
05/09/2003 +0 days 🔍
05/09/2003 +0 days 🔍
05/09/2003 +0 days 🔍
12/31/2003 +236 days 🔍
12/31/2003 +0 days 🔍
10/24/2007 +1393 days 🔍
12/24/2008 +427 days 🔍
11/02/2009 +313 days 🔍
03/08/2021 +4143 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Discovery is credited to sKyZ . (sKyZ)
Status: Not defined

CVE: CVE-2003-1475 (🔍)
GCVE (CVE): GCVE-0-2003-1475
GCVE (VulDB): GCVE-100-66
X-Force: 11982 - NetBus Server could allow an attacker to bypass password authentication, Medium Risk
SecurityFocus: 7538 - Netbus Authentication Bypass Vulnerability
OSVDB: 59637 - Netbus Multiple Connection Remote Authentication Bypass
Vulnerability Center: 20326 - Netbus Server 1.5-1.7 Remote Bypass Authentication, High

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

Entryinfo

Created: 05/09/2003 02:00
Updated: 03/08/2021 10:05
Changes: 05/09/2003 02:00 (58), 01/02/2017 01:14 (27), 03/08/2021 10:01 (4), 03/08/2021 10:05 (1)
Complete: 🔍
Cache ID: 216:ECD:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!