3ssoftware CoDeSys 3.4 Control Service CmpWebServer.dll null pointer dereference

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.
5.3$0-$5k0.00

A vulnerability was found in 3ssoftware CoDeSys 3.4. It has been classified as problematic. This affects an unknown part in the library CmpWebServer.dll of the component Control Service. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

The CmpWebServer.dll module in the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to cause a denial of service (NULL pointer dereference) via (1) a crafted Content-Length in an HTTP POST or (2) an invalid HTTP request method.

The weakness was released 12/24/2011 by Luigi Auriemma (Website). It is possible to read the advisory at us-cert.gov. This vulnerability is uniquely identified as CVE-2011-5009 since 12/24/2011. 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 of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (71533). Entries connected to this vulnerability are available at 59909, 59810 and 59809.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

OpenVAS ID: 802280
OpenVAS Name: 3S CoDeSys CmpWebServer Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Fortigate IPS: 🔍

Timelineinfo

11/29/2011 🔍
11/30/2011 +1 days 🔍
12/01/2011 +1 days 🔍
12/20/2011 +19 days 🔍
12/24/2011 +4 days 🔍
12/24/2011 +0 days 🔍
12/24/2011 +0 days 🔍
03/23/2015 +1185 days 🔍
04/09/2017 +748 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Researcher: Luigi Auriemma
Status: Not defined

CVE: CVE-2011-5009 (🔍)
X-Force: 71533
Vulnerability Center: 34084 - 3S CoDeSys 3.4 SP4 Patch 2 CmpWebServer Null-Pointer Dereference Vulnerabilities Allow DoS, High
SecurityFocus: 50854 - CoDeSys Multiple Remote Denial of Service Vulnerabilities
Secunia: 47018 - CoDeSys Multiple Vulnerabilities, Moderately Critical
OSVDB: 77388

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 04/09/2017 13:00
Changes: 03/23/2015 16:50 (58), 04/09/2017 13:00 (12)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!