InduSoft Web Studio 7.0 CEServer.exe improper authentication

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.
10.0$0-$5k0.00

A vulnerability, which was classified as very critical, was found in InduSoft Web Studio 7.0. This affects some unknown processing of the file CEServer.exe. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

CEServer.exe in the CEServer component in the Remote Agent module in InduSoft Web Studio 6.1 and 7.0 does not require authentication, which allows remote attackers to execute arbitrary code via vectors related to creation of a file, loading a DLL, and process control.

The weakness was presented 12/05/2011 with Zero Day Initiative (Website). It is possible to read the advisory at us-cert.gov. This vulnerability is uniquely identified as CVE-2011-4051 since 10/13/2011. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/09/2017).

A public exploit has been developed in Ruby. The exploit is shared for download at securityfocus.com. It is declared as highly functional. The commercial vulnerability scanner Qualys is able to test this issue with plugin 42402 (InduSoft Web Studio Multiple Remote Code Execution Vulnerabilities).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11473.

The vulnerability is also documented in the vulnerability database at X-Force (71339). See 59584, 57344 and 57341 for similar entries.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 10.0

VulDB Base Score: 10.0
VulDB Temp Score: 10.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

OpenVAS ID: 802537
OpenVAS Name: InduSoft Web Studio Multiple Remote Code Execution Vulnerabilitites
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: indusoft_webstudio_exec.rb
MetaSploit Name: InduSoft Web Studio Arbitrary Upload Remote Code Execution
MetaSploit File: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

10/13/2011 🔍
11/15/2011 +33 days 🔍
12/05/2011 +20 days 🔍
12/05/2011 +0 days 🔍
12/05/2011 +0 days 🔍
01/02/2012 +28 days 🔍
03/23/2015 +1176 days 🔍
04/09/2017 +748 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Organization: Zero Day Initiative
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4051 (🔍)
X-Force: 71339
Vulnerability Center: 34159 - InduSoft Web Studio CEServer.exe Remote Code Execution via Sending a Crafted Packet to TCP Port 4322, High
SecurityFocus: 50675 - InduSoft Web Studio 'CEServer.exe' Remote Code Execution Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 04/09/2017 13:13
Changes: 03/23/2015 16:50 (61), 04/09/2017 13:13 (16)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!