Tenable Nessus 6.10.0/6.10.1/6.10.2/6.10.3/6.10.4 Agent Mode access control

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.
4.0$0-$5k0.00

A vulnerability, which was classified as problematic, was found in Tenable Nessus 6.10.0/6.10.1/6.10.2/6.10.3/6.10.4 (Security Testing Software). This affects some unknown functionality of the component Agent Mode. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on availability. The summary by CVE is:

Nessus 6.10.x before 6.10.5 was found to be vulnerable to a local denial of service condition due to insecure permissions when running in Agent Mode.

The bug was discovered 04/11/2017. The weakness was shared 04/11/2017 as TNS-2017-10 as confirmed advisory (Website). It is possible to read the advisory at tenable.com. This vulnerability is uniquely identified as CVE-2017-7849 since 04/12/2017. Attacking locally is a requirement. A authentication is required for exploitation. Technical details are unknown but a private exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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 100573 (Tenable Nessus Agent 6.10.x < 6.10.5 Multiple Vulnerabilities (TNS-2017-10)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context l.

Upgrading to version 6.10.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (100573). The entry 99760 is related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Vendor Base Score (Tenable): 🔍
NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100573
Nessus Name: Tenable Nessus Agent 6.10.x < 6.10.5 Multiple Vulnerabilities (TNS-2017-10)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800801
OpenVAS Name: Tenable Nessus 6.10.x < 6.10.5 Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Nessus 6.10.5

Timelineinfo

04/05/2017 🔍
04/11/2017 +6 days 🔍
04/11/2017 +0 days 🔍
04/11/2017 +0 days 🔍
04/12/2017 +1 days 🔍
04/13/2017 +1 days 🔍
04/13/2017 +0 days 🔍
04/19/2017 +6 days 🔍
04/19/2017 +0 days 🔍
06/01/2017 +43 days 🔍
09/17/2020 +1204 days 🔍

Sourcesinfo

Advisory: TNS-2017-10
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7849 (🔍)
SecurityTracker: 1038251
SecurityFocus: 97951 - Nessus CVE-2017-7849 Local Denial of Service Vulnerability
OSVDB: - CVE-2017-7849 - Nessus - Denial of Service Issue

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

Entryinfo

Created: 04/13/2017 17:05
Updated: 09/17/2020 18:07
Changes: 04/13/2017 17:05 (89), 09/17/2020 18:07 (6)
Complete: 🔍

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