Tenable Nessus up to 2.0.5 libnasl insstr numeric error

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.
3.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Tenable Nessus up to 2.0.5 and classified as problematic. The impacted element is the function insstr in the library libnasl. This manipulation causes numeric error. This vulnerability appears as CVE-2003-0372. The attack may be initiated remotely. In addition, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Tenable Nessus up to 2.0.5 (Security Testing Software). Affected by this vulnerability is the function insstr in the library libnasl. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality. The summary by CVE is:

Signed integer vulnerability in libnasl in Nessus before 2.0.6 allows local users with plugin upload privileges to cause a denial of service (core dump) and possibly execute arbitrary code by causing a negative argument to be provided to the insstr function as used in a NASL script.

The weakness was presented 05/22/2003 by Sir Mordred and Renaud Deraison (Nessus.org) with Nessus.org as not defined posting (Bugtraq). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2003-0372 since 06/04/2003. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 10147 (Nessus Server Detection), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Service detection.

Upgrading to version 2.0.6 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at nessus.org. The best possible mitigation is suggested to be upgrading to the latest version. Attack attempts may be identified with Snort ID 1102.

The vulnerability is also documented in the databases at X-Force (12057), Exploit-DB (22634), Tenable (10147), SecurityFocus (BID 7664†) and OSVDB (3190†). See VDB-20561, VDB-20562 and VDB-88284 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 10147
Nessus Name: Nessus Server Detection
Nessus File: 🔍
Nessus Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Nessus 2.0.6
Patch: nessus.org

Snort ID: 1102

Timelineinfo

05/22/2003 🔍
05/22/2003 +0 days 🔍
05/22/2003 +0 days 🔍
05/23/2003 +1 days 🔍
06/04/2003 +12 days 🔍
06/16/2003 +12 days 🔍
12/27/2003 +194 days 🔍
12/16/2024 +7659 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Sir Mordred, Renaud Deraison (Nessus.org)
Organization: Nessus.org
Status: Confirmed

CVE: CVE-2003-0372 (🔍)
GCVE (CVE): GCVE-0-2003-0372
GCVE (VulDB): GCVE-100-73
X-Force: 12057 - Nessus insstr() denial of service, Medium Risk
SecurityFocus: 7664 - Nessus LibNASL Arbitrary Code Execution Vulnerability
Secunia: 8842 - Nessus NASL Arbitrary Code Execution Vulnerabilities, Less Critical
OSVDB: 3190 - Nessus libnasl insstr Function Local DoS
SecuriTeam: securiteam.com

scip Labs: https://www.scip.ch/en/?labs.20091204
See also: 🔍

Entryinfo

Created: 05/22/2003 02:00
Updated: 12/16/2024 01:28
Changes: 05/22/2003 02:00 (84), 01/11/2019 12:00 (1), 03/08/2021 10:19 (3), 12/16/2024 01:28 (25)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!