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CVE-2009-4593

5.0 · MEDIUM

The bftpdutmp_log function in bftpdutmp.c in Bftpd before 2.4 does not place a '\0' character at the end of the string value of the ut.bu_host structure member, which might allow remote attackers t…

Published Jan 7, 2010jesse_smithEPSS 1.44%

Overview

CVE-2009-4593 is a medium-severity vulnerability affecting jesse_smith bftpd. It was published on January 7, 2010 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

The bftpdutmp_log function in bftpdutmp.c in Bftpd before 2.4 does not place a '\0' character at the end of the string value of the ut.bu_host structure member, which might allow remote attackers to cause a denial of service (daemon crash) via unspecified vectors. NOTE: some of these details are obtained from third party information.

Remediation

Check the references section for vendor advisories and patches from jesse_smith. Update bftpd 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

VendorProductVersionsStatus
jesse_smithbftpd0Affected

References

Refbftpd.sourceforge.net/downloads/CHANGELOGRefbftpd.sourceforge.net/news.html#032130Refsecunia.com/advisories/37185Refwww.securityfocus.com/bid/36820Refwww.vupen.com/english/advisories/2009/3032Refbftpd.sourceforge.net/downloads/CHANGELOGRefbftpd.sourceforge.net/news.html#032130Refsecunia.com/advisories/37185Refwww.securityfocus.com/bid/36820Refwww.vupen.com/english/advisories/2009/3032

How CyberStrike helps

Frequently asked questions

What is CVE-2009-4593?

CVE-2009-4593 is a medium-severity vulnerability affecting jesse_smith bftpd. It was published on January 7, 2010 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2009-4593?

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-2009-4593?

Check the references section for vendor advisories and patches from jesse_smith. Update bftpd 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-2009-4593?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-4593 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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