CVE-2009-4593

Name: CVE-2009-4593
Creator: NVD / NIST
Published: 2010-01-07T18:30:01.057+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.44%

Last modified Jun 16, 2026

CVE-2009-4593 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.44% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.44%

69.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Jesse Smith	Bftpd	<= 2.3
Jesse Smith	Bftpd	1.6
Jesse Smith	Bftpd	1.7
Jesse Smith	Bftpd	1.7.2
Jesse Smith	Bftpd	1.8
Jesse Smith	Bftpd	2.0.2
Jesse Smith	Bftpd	2.0.3
Jesse Smith	Bftpd	2.1
Jesse Smith	Bftpd	2.1.1
Jesse Smith	Bftpd	2.1.2
Jesse Smith	Bftpd	2.2
Jesse Smith	Bftpd	2.2.1

References

http://bftpd.sourceforge.net/downloads/CHANGELOG
http://bftpd.sourceforge.net/news.html#032130Patch
http://secunia.com/advisories/37185Vendor Advisory
http://www.securityfocus.com/bid/36820Patch
http://www.vupen.com/english/advisories/2009/3032Patch, Vendor Advisory
http://bftpd.sourceforge.net/downloads/CHANGELOG
http://bftpd.sourceforge.net/news.html#032130Patch
http://secunia.com/advisories/37185Vendor Advisory
http://www.securityfocus.com/bid/36820Patch
http://www.vupen.com/english/advisories/2009/3032Patch, Vendor Advisory

Timeline

Published: Jan 7, 2010
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-4593?

How severe is CVE-2009-4593?

Severity scoring for CVE-2009-4593 is pending analysis. The EPSS model estimates a 1.44% probability of exploitation in the next 30 days.

How do I fix CVE-2009-4593?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-4593?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST