CVE-2011-1137
5.0 · MEDIUMInteger overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote attackers to cause a denial of service (memory consumption leading to OOM kill) via a malformed SSH me…
Overview
CVE-2011-1137 is a medium-severity vulnerability affecting proftpd proftpd. It was published on March 11, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical description
Integer overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote attackers to cause a denial of service (memory consumption leading to OOM kill) via a malformed SSH message.
Remediation
Check the references section for vendor advisories and patches from proftpd. Update proftpd to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| proftpd | proftpd | 0 | Affected |
References
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Frequently asked questions
What is CVE-2011-1137?
CVE-2011-1137 is a medium-severity vulnerability affecting proftpd proftpd. It was published on March 11, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
How severe is CVE-2011-1137?
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2011-1137?
Check the references section for vendor advisories and patches from proftpd. Update proftpd to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2011-1137?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1137 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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