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:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- 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
- 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
- NVD status
- Modified