PT-2011-5162 · 3S · 3S Codesys

Published 2011-12-25 · Updated 2013-05-21 · CVE-2011-5007

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions 3S CoDeSys version 3.4 SP4 Patch 2 and earlier

Description The issue is a stack-based buffer overflow in the CmpWebServer component. This allows remote attackers to execute arbitrary code via a long URI to TCP port 8080. The estimated number of potentially affected devices worldwide is not specified. There is no information provided about real-world incidents where this issue was exploited.

Recommendations For 3S CoDeSys version 3.4 SP4 Patch 2 and earlier, consider disabling access to TCP port 8080 as a temporary workaround until a patch is available. Restrict access to the CmpWebServer component to minimize the risk of exploitation. Avoid using long URIs to the affected TCP port until the issue is resolved.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2011-5007

Affected Products

3S Codesys

References · 12

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/scada/codesys_web_server.rb · Exploit
• 🔥 https://exploit-db.com/exploits/18187 · Exploit
• 🔥 https://exploit-db.com/exploits/18240 · Exploit
• 🔥 http://exploit-db.com/exploits/18187 · Exploit
• http://secunia.com/advisories/47018 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-5007 · Security Note
• http://osvdb.org/77387 · Note
• http://us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf · Note
• http://us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01.pdf · Note
• http://ics-cert.us-cert.gov/advisories/ICSA-12-320-01 · Note
• http://aluigi.altervista.org/adv/codesys_1-adv.txt · Note
• http://seclists.org/bugtraq/2011/Nov/178 · Note