Nessus up to 3.0.2 'split' sep resource 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.
3.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Nessus up to 3.0.2 and classified as problematic. Affected is the function 'split'. The manipulation of the argument sep leads to resource management. This vulnerability is listed as CVE-2006-2093. In addition, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Nessus up to 3.0.2. This issue affects the function 'split'. The manipulation of the argument sep with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

Nessus before 2.2.8, and 3.x before 3.0.3, allows user-assisted attackers to cause a denial of service (memory consumption) via a NASL script that calls split with an invalid sep parameter. NOTE: a design goal of the NASL language is to facilitate sharing of security tests by guaranteeing that a script "can not do anything nasty." This issue is appropriate for CVE only if Nessus users have an expectation that a split statement will not use excessive memory.

The bug was discovered 04/20/2006. The weakness was presented 04/26/2006 by OS2A BTO (Website). It is possible to read the advisory at securitytracker.com. The identification of this vulnerability is CVE-2006-2093 since 04/28/2006. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a exploit are known.

After even before and not, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 21373 (Ubuntu 5.04 / 5.10 : libnasl vulnerability (USN-279-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l.

Upgrading to version 2.2.8 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (26034), Tenable (21373), OSVDB (25084†), SecurityTracker (ID 1015996†) and Vulnerability Center (SBV-11446†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 21373
Nessus Name: Ubuntu 5.04 / 5.10 : libnasl vulnerability (USN-279-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Nessus 2.2.8

Timelineinfo

04/20/2006 🔍
04/25/2006 +5 days 🔍
04/26/2006 +0 days 🔍
04/26/2006 +0 days 🔍
04/28/2006 +2 days 🔍
04/29/2006 +1 days 🔍
04/29/2006 +0 days 🔍
05/01/2006 +1 days 🔍
05/03/2006 +2 days 🔍
05/13/2006 +10 days 🔍
05/17/2006 +4 days 🔍
03/12/2015 +3221 days 🔍
06/18/2019 +1559 days 🔍

Sourcesinfo

Advisory: securitytracker.com⛔
Researcher: OS2A BTO
Status: Confirmed

CVE: CVE-2006-2093 (🔍)
GCVE (CVE): GCVE-0-2006-2093
GCVE (VulDB): GCVE-100-29963
X-Force: 26034
OSVDB: 25084 - Nessus NASL Processing split Function Remote Overflow DoS
SecurityTracker: 1015996
Vulnerability Center: 11446 - Nessus 2.2.7 and Earlier and 3.0.2 and Earlier User Complicit DoS via a NASL Script, Medium
Vupen: ADV-2006-1541

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

Entryinfo

Created: 03/12/2015 12:19
Updated: 06/18/2019 08:49
Changes: 03/12/2015 12:19 (72), 06/18/2019 08:49 (7)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!