Tenable Nessus up to 6.10.1 File Upload 7pk security

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Tenable Nessus up to 6.10.1. The affected element is an unknown function of the component File Upload. Such manipulation leads to 7pk security. This vulnerability is referenced as CVE-2017-6543. It is possible to launch the attack remotely. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Tenable Nessus up to 6.10.1 (Security Testing Software). It has been rated as problematic. Affected by this issue is an unknown part of the component File Upload. The manipulation with an unknown input leads to a 7pk security vulnerability. Using CWE to declare the problem leads to CWE-254. Impacted is integrity, and availability. CVE summarizes:

Tenable Nessus before 6.10.2 (as used alone or in Tenable Appliance before 4.5.0) was found to contain a flaw that allowed a remote, authenticated attacker to upload a crafted file that could be written to anywhere on the system. This could be used to subsequently gain elevated privileges on the system (e.g., after a reboot). This issue only affects installations on Windows.

The bug was discovered 02/14/2017. The weakness was published 03/08/2017 as 152378 / TNS-2017-06 as confirmed advisory (Website). The advisory is available at tenable.com. The advisory contains:

Note that our CVSSv2 score follows specifications regarding the immediate impact (writing a custom file anywhere on the system), and does not reflect the follow-up impact which would require additional actions by the administrator.
This vulnerability is handled as CVE-2017-6543 since 03/08/2017. The attack may be launched remotely. A simple authentication is necessary for exploitation. Technical details are unknown but a private exploit is available. This vulnerability is assigned to T1211 by the MITRE ATT&CK project. The advisory points out:
Nessus was found to contain a flaw that allowed a remote, authenticated attacker to upload a crafted file that could be written to anywhere on the system. This could be used to subsequently gain elevated privileges on the system (e.g. after a reboot). This issue only affects installations on Windows.

It is declared as functional. The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 99440 (Tenable Nessus 6.8.x < 6.10.2 Arbitrary File Upload (TNS-2017-06)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11802 (Tenable Appliance Multiple Security Vulnerabilities).

Upgrading to version 6.10.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99440) and SecurityFocus (BID 96418†). Similar entries are available at VDB-100458 and VDB-100459. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Tenable Appliance up to 4.4.x
  • Tenable Nessus up to up to 6.10.1

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.4
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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

Exploitinginfo

Class: 7pk security
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Private
Status: Functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99440
Nessus Name: Tenable Nessus 6.8.x < 6.10.2 Arbitrary File Upload (TNS-2017-06)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800801
OpenVAS Name: Tenable Nessus < 6.10.2 Arbitrary File Upload Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍

Upgrade: Nessus 6.10.2

Timelineinfo

02/14/2017 🔍
02/14/2017 +0 days 🔍
02/14/2017 +0 days 🔍
02/21/2017 +7 days 🔍
02/21/2017 +0 days 🔍
03/08/2017 +15 days 🔍
03/08/2017 +0 days 🔍
03/08/2017 +0 days 🔍
03/09/2017 +1 days 🔍
04/18/2017 +40 days 🔍
09/05/2020 +1236 days 🔍

Sourcesinfo

Advisory: 152378 / TNS-2017-06
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6543 (🔍)
GCVE (CVE): GCVE-0-2017-6543
GCVE (VulDB): GCVE-100-97730
SecurityFocus: 96418 - Nessus Arbitrary File Upload Vulnerability
OSVDB: - CVE-2017-6543 - Tenable - Nessus - Privilege Escalation Issue

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

Entryinfo

Created: 03/09/2017 08:16
Updated: 09/05/2020 16:39
Changes: 03/09/2017 08:16 (93), 09/05/2020 16:39 (5)
Complete: 🔍
Cache ID: 216::103

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

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