Vulnerability Report

CVE-2003-0466

RCE

Title: wu-ftpd off-by-one RCE

RCE, Buffer Overflow

Proof Of Concept

PoC Available for CVE-2003-0466

CWE Category CWE-193
Published Date Aug 27, 2003
Modified Date Apr 03, 2025
Exploit Status Available
Score 9.8 CVSS v3.1
Exploit Probability (EPSS)
90.82%

Vulnerability Summary

CVE-2003-0466: 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.

Impacted Vendors

W
washington_university 1
W
wuftpd 1
R
redhat 1

Reference Links

ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2003-011.txt.asc http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0065.html http://download.immunix.org/ImmunixOS/7+/Updates/errata/IMNX-2003-7+-019-01 http://isec.pl/vulnerabilities/isec-0011-wu-ftpd.txt http://marc.info/?l=bugtraq&m=105967301604815&w=2 http://marc.info/?l=bugtraq&m=106001410028809&w=2 http://marc.info/?l=bugtraq&m=106001702232325&w=2 http://marc.info/?l=bugtraq&m=106002488209129&w=2 http://secunia.com/advisories/9423 http://secunia.com/advisories/9446 http://secunia.com/advisories/9447 http://secunia.com/advisories/9535 http://securitytracker.com/id?1007380 http://sunsolve.sun.com/search/document.do?assetkey=1-77-1001257.1-1 http://www.debian.org/security/2003/dsa-357 http://www.kb.cert.org/vuls/id/743092 http://www.mandriva.com/security/advisories?name=MDKSA-2003:080 http://www.novell.com/linux/security/advisories/2003_032_wuftpd.html http://www.osvdb.org/6602 http://www.redhat.com/support/errata/RHSA-2003-245.html http://www.redhat.com/support/errata/RHSA-2003-246.html http://www.securityfocus.com/archive/1/424852/100/0/threaded http://www.securityfocus.com/archive/1/425061/100/0/threaded http://www.securityfocus.com/bid/8315 http://www.turbolinux.com/security/TLSA-2003-46.txt https://exchange.xforce.ibmcloud.com/vulnerabilities/12785 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1970 ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2003-011.txt.asc http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0065.html http://download.immunix.org/ImmunixOS/7+/Updates/errata/IMNX-2003-7+-019-01 http://isec.pl/vulnerabilities/isec-0011-wu-ftpd.txt http://marc.info/?l=bugtraq&m=105967301604815&w=2 http://marc.info/?l=bugtraq&m=106001410028809&w=2 http://marc.info/?l=bugtraq&m=106001702232325&w=2 http://marc.info/?l=bugtraq&m=106002488209129&w=2 http://secunia.com/advisories/9423 http://secunia.com/advisories/9446 http://secunia.com/advisories/9447 http://secunia.com/advisories/9535 http://securitytracker.com/id?1007380 http://sunsolve.sun.com/search/document.do?assetkey=1-77-1001257.1-1 http://www.debian.org/security/2003/dsa-357 http://www.kb.cert.org/vuls/id/743092 http://www.mandriva.com/security/advisories?name=MDKSA-2003:080 http://www.novell.com/linux/security/advisories/2003_032_wuftpd.html http://www.osvdb.org/6602 http://www.redhat.com/support/errata/RHSA-2003-245.html http://www.redhat.com/support/errata/RHSA-2003-246.html http://www.securityfocus.com/archive/1/424852/100/0/threaded http://www.securityfocus.com/archive/1/425061/100/0/threaded http://www.securityfocus.com/bid/8315 http://www.turbolinux.com/security/TLSA-2003-46.txt https://exchange.xforce.ibmcloud.com/vulnerabilities/12785 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1970
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
10.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2003-0466 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/22976
View Code
Exploit-DB https://www.exploit-db.com/exploits/74
View Code
Exploit-DB https://www.exploit-db.com/exploits/78
View Code
Exploit-DB https://www.exploit-db.com/exploits/22975
View Code
Exploit-DB https://www.exploit-db.com/exploits/22974
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.