CVE-2011-5009

CoDeSys 3.4 - Null Pointer Invalid HTTP Request Parsing Remote Denial of Service

Severity Score

5.0

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

El módulo CmpWebServer.dll en el servicio de Control en 3S CoDeSys v3.4 SP4 Patch 2 permite a atacantes remotos causar una denegación de servicio (NULL pointer dereference) mediante (1) un Content-Length manipulado en un HTTP POST o (2) un método de solicitud HTTP inválido.

*Credits: N/A

CVSS Scores

NISTv2 5.0

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-11-30 First Exploit
2011-12-24 CVE Reserved
2011-12-25 CVE Published
2024-08-07 CVE Updated
2024-11-22 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (9)

URL	Tag	Source
http://aluigi.altervista.org/adv/codesys_1-adv.txt	X_refsource_misc
http://seclists.org/bugtraq/2011/Nov/178	Mailing List
http://www.osvdb.org/77388	Vdb Entry
http://www.osvdb.org/77389	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/71533	Vdb Entry

URL	Date	SRC
https://www.exploit-db.com/exploits/36378	2011-11-30
https://www.exploit-db.com/exploits/36377	2011-11-30
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf	2024-08-07

URL	Date	SRC

URL	Date	SRC
http://secunia.com/advisories/47018	2017-08-29

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
3ssoftware Search vendor "3ssoftware"		Codesys Search vendor "3ssoftware" for product "Codesys"				3.4 Search vendor "3ssoftware" for product "Codesys" and version "3.4"		sp4		Affected