8.8
HIGH
CVE-2017-6971
AlienVault USM/NfSen PHP Session ID Command Injection
Description

AlienVault USM and OSSIM before 5.3.7 and NfSen before 1.3.8 allow remote authenticated users to execute arbitrary commands in a privileged context, or launch a reverse shell, via vectors involving the PHP session ID and the NfSen PHP code, aka AlienVault ID ENG-104862.

INFO

Published Date :

March 22, 2017, 2:59 p.m.

Last Modified :

Nov. 21, 2024, 3:30 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2017-6971 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2017-6971 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Alienvault unified_security_management
2 Alienvault ossim
1 Nfsen nfsen
: Total Affected Vendor : 2 | Products : 3
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-6971.

URL Resource
https://sourceforge.net/p/nfsen/news/2017/01/nfsen-138-released---security-fix/ Third Party Advisory
https://www.alienvault.com/forums/discussion/8325/ Vendor Advisory
https://www.alienvault.com/forums/discussion/8698 Vendor Advisory
https://www.exploit-db.com/exploits/42306/
https://sourceforge.net/p/nfsen/news/2017/01/nfsen-138-released---security-fix/ Third Party Advisory
https://www.alienvault.com/forums/discussion/8325/ Vendor Advisory
https://www.alienvault.com/forums/discussion/8698 Vendor Advisory
https://www.exploit-db.com/exploits/42306/

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
KeyStrOke95/nfsen_1.3.7_CVE-2017-6971

None

Python

Updated: 5 years, 8 months ago
0 stars 0 fork 0 watcher
Born at : April 24, 2019, 2:45 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
patrickfreed/nfsen-exploit

Exploit for CVE-2017-6971 remote command execution in nfsen 1.3.7.

Python

Updated: 4 months, 1 week ago
4 stars 4 fork 4 watcher
Born at : April 10, 2017, 12:13 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-6971 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-6971 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://sourceforge.net/p/nfsen/news/2017/01/nfsen-138-released---security-fix/
    Added Reference https://www.alienvault.com/forums/discussion/8325/
    Added Reference https://www.alienvault.com/forums/discussion/8698
    Added Reference https://www.exploit-db.com/exploits/42306/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-264 CWE-74
  • CVE Modified by [email protected]

    Aug. 12, 2017

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/42306/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 28, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:S/C:C/I:C/A:C)
    Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://sourceforge.net/p/nfsen/news/2017/01/nfsen-138-released---security-fix/ No Types Assigned https://sourceforge.net/p/nfsen/news/2017/01/nfsen-138-released---security-fix/ Third Party Advisory
    Changed Reference Type https://www.alienvault.com/forums/discussion/8698 No Types Assigned https://www.alienvault.com/forums/discussion/8698 Vendor Advisory
    Changed Reference Type https://www.alienvault.com/forums/discussion/8325/ No Types Assigned https://www.alienvault.com/forums/discussion/8325/ Vendor Advisory
    Added CWE CWE-264
    Added CPE Configuration OR *cpe:2.3:a:alienvault:ossim:5.3.6:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:alienvault:unified_security_management:5.3.6:*:*:*:*:*:*:* (and previous)
    Added CPE Configuration OR *cpe:2.3:a:nfsen:nfsen:1.3.7:*:*:*:*:*:*:* (and previous)
  • CVE Modified by [email protected]

    Mar. 23, 2017

    Action Type Old Value New Value
    Changed Description AlienVault USM and OSSIM before 5.3.5 and NfSen before 1.3.8 allow remote authenticated users to execute arbitrary commands in a privileged context, or launch a reverse shell, via vectors involving the PHP session ID and the NfSen PHP code, aka AlienVault ID ENG-104862. NOTE: the AlienVault vendor statement of affected versions is disputed by another party. AlienVault USM and OSSIM before 5.3.7 and NfSen before 1.3.8 allow remote authenticated users to execute arbitrary commands in a privileged context, or launch a reverse shell, via vectors involving the PHP session ID and the NfSen PHP code, aka AlienVault ID ENG-104862.
    Added Reference https://www.alienvault.com/forums/discussion/8698 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-6971 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-6971 weaknesses.

CAPEC-3: Using Leading 'Ghost' Character Sequences to Bypass Input Filters Using Leading 'Ghost' Character Sequences to Bypass Input Filters CAPEC-6: Argument Injection Argument Injection CAPEC-7: Blind SQL Injection Blind SQL Injection CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-13: Subverting Environment Variable Values Subverting Environment Variable Values CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-28: Fuzzing Fuzzing CAPEC-34: HTTP Response Splitting HTTP Response Splitting CAPEC-42: MIME Conversion MIME Conversion CAPEC-43: Exploiting Multiple Input Interpretation Layers Exploiting Multiple Input Interpretation Layers CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-51: Poison Web Service Registry Poison Web Service Registry CAPEC-52: Embedding NULL Bytes Embedding NULL Bytes CAPEC-53: Postfix, Null Terminate, and Backslash Postfix, Null Terminate, and Backslash CAPEC-64: Using Slashes and URL Encoding Combined to Bypass Validation Logic Using Slashes and URL Encoding Combined to Bypass Validation Logic CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-71: Using Unicode Encoding to Bypass Validation Logic Using Unicode Encoding to Bypass Validation Logic CAPEC-72: URL Encoding URL Encoding CAPEC-76: Manipulating Web Input to File System Calls Manipulating Web Input to File System Calls CAPEC-78: Using Escaped Slashes in Alternate Encoding Using Escaped Slashes in Alternate Encoding CAPEC-79: Using Slashes in Alternate Encoding Using Slashes in Alternate Encoding CAPEC-80: Using UTF-8 Encoding to Bypass Validation Logic Using UTF-8 Encoding to Bypass Validation Logic CAPEC-83: XPath Injection XPath Injection CAPEC-84: XQuery Injection XQuery Injection CAPEC-101: Server Side Include (SSI) Injection Server Side Include (SSI) Injection CAPEC-105: HTTP Request Splitting HTTP Request Splitting CAPEC-108: Command Line Execution through SQL Injection Command Line Execution through SQL Injection CAPEC-120: Double Encoding Double Encoding CAPEC-135: Format String Injection Format String Injection CAPEC-250: XML Injection XML Injection CAPEC-267: Leverage Alternate Encoding Leverage Alternate Encoding CAPEC-273: HTTP Response Smuggling HTTP Response Smuggling
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.53 }} -1.01%

score

0.89839

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: