CVE-2011-3486: Buffer Overflow
First published: Fri 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Beckhoff TwinCAT Extended Automation Runtime | =2.8 | |
| Beckhoff TwinCAT Extended Automation Runtime | =2.10 | |
| Beckhoff TwinCAT Extended Automation Runtime | =2.7 | |
| Beckhoff TwinCAT Extended Automation Runtime | =2.9 | |
| Beckhoff TwinCAT Extended Automation Runtime | <=2.11.0.2004 |
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Reference Links
Frequently Asked Questions
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.
How do I fix CVE-2011-3486?
To remediate CVE-2011-3486, upgrade to Beckhoff TwinCAT version 2.11.0.2005 or later.
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.
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.
What port is exploited in CVE-2011-3486?
CVE-2011-3486 targets UDP port 48899 to trigger the vulnerability.
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- collector/nvd-historical
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- collector/nvd-index
- vendor/beckhoff
- canonical/beckhoff twincat extended automation runtime
- version/beckhoff twincat extended automation runtime/2.8
- version/beckhoff twincat extended automation runtime/2.10
- version/beckhoff twincat extended automation runtime/2.7
- version/beckhoff twincat extended automation runtime/2.9
- version/beckhoff twincat extended automation runtime/2.11.0.2004