CVE-2003-0466

Name: CVE-2003-0466
Creator: NVD / NIST
Published: 2003-08-27T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 78.11%

Last modified Jun 16, 2026

CVE-2003-0466 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Off-by-one error in the fb_realpath() function, as derived from the realpath function in BSD, may allow attackers to execute arbitrary code, as demonstrated in wu-ftpd 2.5.0 through 2.6.2 via commands that cause pathnames of length MAXPATHLEN+1 to trigger a buffer overflow, including (1) STOR, (2) RETR, (3) APPE, (4) DELE, (5) MKD, (6) RMD, (7) STOU, or (8) RNTO.. EPSS estimates a 78.11% chance of exploitation in the next 30 days.

Description

Off-by-one error in the fb_realpath() function, as derived from the realpath function in BSD, may allow attackers to execute arbitrary code, as demonstrated in wu-ftpd 2.5.0 through 2.6.2 via commands that cause pathnames of length MAXPATHLEN+1 to trigger a buffer overflow, including (1) STOR, (2) RETR, (3) APPE, (4) DELE, (5) MKD, (6) RMD, (7) STOU, or (8) RNTO.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

78.11%

99.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-193

Affected Software

Vendor	Product	Versions
Redhat	Wu Ftpd	2.6.1-16
Wuftpd	Wu-Ftpd	>= 2.5.0, <= 2.6.2
Apple	Mac Os X	10.2.6
Apple	Mac Os X Server	10.2.6
Freebsd	Freebsd	>= 4.0, <= 5.0
Netbsd	Netbsd	>= 1.5, <= 1.6.1
Openbsd	Openbsd	>= 2.0, <= 3.3
Sun	Solaris	9.0

References

ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2003-011.txt.ascBroken Link
http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0065.htmlBroken Link, Exploit, Vendor Advisory
http://download.immunix.org/ImmunixOS/7+/Updates/errata/IMNX-2003-7+-019-01Broken Link
http://isec.pl/vulnerabilities/isec-0011-wu-ftpd.txtBroken Link
http://marc.info/?l=bugtraq&m=105967301604815&w=2Mailing List
http://marc.info/?l=bugtraq&m=106001410028809&w=2Mailing List
http://marc.info/?l=bugtraq&m=106001702232325&w=2Mailing List
http://marc.info/?l=bugtraq&m=106002488209129&w=2Mailing List
http://secunia.com/advisories/9423Broken Link
http://secunia.com/advisories/9446Broken Link
http://secunia.com/advisories/9447Broken Link
http://secunia.com/advisories/9535Broken Link
http://securitytracker.com/id?1007380Broken Link, Third Party Advisory, VDB Entry
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1001257.1-1Broken Link
http://www.debian.org/security/2003/dsa-357Broken Link
http://www.kb.cert.org/vuls/id/743092Third Party Advisory, US Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2003:080Third Party Advisory
http://www.novell.com/linux/security/advisories/2003_032_wuftpd.htmlBroken Link
http://www.osvdb.org/6602Broken Link
http://www.redhat.com/support/errata/RHSA-2003-245.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2003-246.htmlBroken Link
http://www.securityfocus.com/archive/1/424852/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/425061/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/8315Broken Link, Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory
http://www.turbolinux.com/security/TLSA-2003-46.txtBroken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/12785Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1970Broken Link
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2003-011.txt.ascBroken Link
http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0065.htmlBroken Link, Exploit, Vendor Advisory
http://download.immunix.org/ImmunixOS/7+/Updates/errata/IMNX-2003-7+-019-01Broken Link
http://isec.pl/vulnerabilities/isec-0011-wu-ftpd.txtBroken Link
http://marc.info/?l=bugtraq&m=105967301604815&w=2Mailing List
http://marc.info/?l=bugtraq&m=106001410028809&w=2Mailing List
http://marc.info/?l=bugtraq&m=106001702232325&w=2Mailing List
http://marc.info/?l=bugtraq&m=106002488209129&w=2Mailing List
http://secunia.com/advisories/9423Broken Link
http://secunia.com/advisories/9446Broken Link
http://secunia.com/advisories/9447Broken Link
http://secunia.com/advisories/9535Broken Link
http://securitytracker.com/id?1007380Broken Link, Third Party Advisory, VDB Entry
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1001257.1-1Broken Link
http://www.debian.org/security/2003/dsa-357Broken Link
http://www.kb.cert.org/vuls/id/743092Third Party Advisory, US Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2003:080Third Party Advisory
http://www.novell.com/linux/security/advisories/2003_032_wuftpd.htmlBroken Link
http://www.osvdb.org/6602Broken Link
http://www.redhat.com/support/errata/RHSA-2003-245.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2003-246.htmlBroken Link
http://www.securityfocus.com/archive/1/424852/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/425061/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/8315Broken Link, Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory
http://www.turbolinux.com/security/TLSA-2003-46.txtBroken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/12785Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1970Broken Link

Timeline

Published: Aug 27, 2003
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2003-0466?

How severe is CVE-2003-0466?

CVE-2003-0466 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 78.11% probability of exploitation in the next 30 days.

How do I fix CVE-2003-0466?

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-2003-0466?

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

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Source: NVD / NIST