SB2011122501 - Multiple vulnerabilities in CODESYS
Published: December 25, 2011 Updated: August 11, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2011-5058)
The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.
The CmbWebserver.dll module of the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to create arbitrary directories under the web root by specifying a non-existent directory using (backslash) characters in an HTTP GET request.
2) Heap-based buffer overflow (CVE-ID: CVE-2011-5008)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Integer overflow in the GatewayService component in 3S CoDeSys 3.4 SP4 Patch 2. A remote attacker can use a large size value in the packet header to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) NULL pointer dereference (CVE-ID: CVE-2011-5009)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via (1) a crafted Content-Length in an HTTP POST or (2) an invalid HTTP request method.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.
References
- http://aluigi.altervista.org/adv/codesys_1-adv.txt
- http://secunia.com/advisories/47018
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72339
- http://seclists.org/bugtraq/2011/Nov/178
- http://www.osvdb.org/77386
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71531
- http://www.osvdb.org/77388
- http://www.osvdb.org/77389
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71533