PT-2011-4467 · Beckhoff · Twincat

Luigi Auriemma · Published 2011-09-16 · Updated 2017-08-29 · CVE-2011-3486

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Beckhoff TwinCAT versions 2.11.0.2004 and earlier

Description The issue allows remote attackers to cause a denial of service via a crafted request to the UDP port 48899, triggering an out-of-bounds read.

Recommendations For versions 2.11.0.2004 and earlier, consider restricting access to UDP port 48899 to minimize the risk of exploitation.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2011-3486

Affected Products

Twincat

References · 8

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/scada/beckhoff_twincat.rb · Exploit
• 🔥 https://exploit-db.com/exploits/17835 · Exploit
• 🔥 http://aluigi.altervista.org/adv/twincat_1-adv.txt · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2011-3486 · Security Note
• http://us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-06.pdf · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/69765 · Note
• http://securityreason.com/securityalert/8380 · Note
• http://osvdb.org/75495 · Note