CVE-2003-0466

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Summary

CVECVE-2003-0466
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2003-08-27 04:00:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionOff-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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

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

Problem Types: CWE-193 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary10AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Mac Os X 10.2.6 All All All
Operating System Apple Mac Os X Server 10.2.6 All All All
Operating System Freebsd Freebsd All All All All
Operating System Netbsd Netbsd All All All All
Operating System Openbsd Openbsd All All All All
Application Redhat Wu Ftpd 2.6.1-16 All All All
Operating System Sun Solaris 9.0 All All All
Application Wuftpd Wu-ftpd All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
'wu-ftpd-2.6.2 off-by-one remote exploit.' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info Mailing List
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Broken Link, Third Party Advisory, VDB Entry
download.immunix.org/ImmunixOS/7+/Updates/errata/IMNX-2003-7+-019-01 af854a3a-2127-422b-91ae-364da2661108 download.immunix.org Broken Link
www.osvdb.org/6602 af854a3a-2127-422b-91ae-364da2661108 www.osvdb.org Broken Link
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Broken Link, Third Party Advisory, VDB Entry
Debian -- Security Information -- DSA-357-1 wu-ftpd af854a3a-2127-422b-91ae-364da2661108 www.debian.org Broken Link
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com Third Party Advisory, VDB Entry
Secunia - Advisories - NetBSD "realpath()" Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
NOVELL: Broken Link - 404 Error Pages af854a3a-2127-422b-91ae-364da2661108 www.novell.com Broken Link
SecurityTracker.com Archives - (FreeBSD Issues Fix) 'libc' Off-by-One Overflow in realpath() May Let Remote Users Execute Arbitrary Code af854a3a-2127-422b-91ae-364da2661108 securitytracker.com Broken Link, Third Party Advisory, VDB Entry
Advisories - Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com Third Party Advisory
isec.pl/vulnerabilities/isec-0011-wu-ftpd.txt af854a3a-2127-422b-91ae-364da2661108 isec.pl Broken Link
404 Not Found af854a3a-2127-422b-91ae-364da2661108 www.turbolinux.com Broken Link
Secunia - Advisories - Mac OS X "fb_realpath()" Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Broken Link
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org Broken Link
CERT/CC Vulnerability Note VU#743092 af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org Third Party Advisory, US Government Resource
'Off-by-one Buffer Overflow Vulnerability in BSD libc realpath(3)' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info Mailing List
sunsolve.sun.com/search/document.do af854a3a-2127-422b-91ae-364da2661108 sunsolve.sun.com Broken Link
ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2003-011.txt.asc af854a3a-2127-422b-91ae-364da2661108 ftp.netbsd.org Broken Link
Secunia - Advisories - FreeBSD "realpath()" Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Broken Link
Secunia - Advisories - OpenBSD "realpath()" Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
Multiple Vendor C Library realpath() Off-By-One Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Broken Link, Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory
'FreeBSD Security Advisory FreeBSD-SA-03:08.realpath' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info Mailing List
Neohapsis Archives - VulnWatch - #0065 - [VulnWatch] wu-ftpd fb_realpath() off-by-one bug af854a3a-2127-422b-91ae-364da2661108 archives.neohapsis.com Broken Link, Exploit, Vendor Advisory
'wu-ftpd fb_realpath() off-by-one bug' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info Mailing List
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