CVE-2011-3486: Buffer Overflow
Published Sep 16, 2011
·Updated
Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via a crafted request to UDP port 48899, which triggers an out-of-bounds read.
Affected Software
5 affected components
Beckhoff Twincat<=2.11.0.2004
Beckhoff Twincat=2.7
Beckhoff Twincat=2.8
Beckhoff Twincat=2.9
Beckhoff Twincat=2.10
Event History
Sep 16, 2011
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2011-3486?
CVE-2011-3486 has a CVSS score indicating it can lead to a denial of service vulnerability.
2
How do I fix CVE-2011-3486?
To remediate CVE-2011-3486, upgrade to Beckhoff TwinCAT version 2.11.0.2005 or later.
3
What software is affected by CVE-2011-3486?
CVE-2011-3486 affects Beckhoff TwinCAT versions 2.8, 2.9, 2.10, and 2.11.0.2004 and earlier.
4
What type of attack does CVE-2011-3486 facilitate?
CVE-2011-3486 allows remote attackers to cause a denial of service via a crafted request.
5
What port is exploited in CVE-2011-3486?
CVE-2011-3486 targets UDP port 48899 to trigger the vulnerability.