CVE-2003-0466

critical-risk
Published 2003-08-27

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.

Do I need to act?

!
90.8% chance of exploitation in next 30 days
EPSS score — higher than 9% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
5 public exploits available
22976, 74, 78 and 2 more
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (8)

Affected Vendors

Apple Netbsd Sun Redhat Freebsd Wuftpd Openbsd

References (54)

Broken Link ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2003-011.txt.asc
Broken Link http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0065.html
Broken Link http://download.immunix.org/ImmunixOS/7+/Updates/errata/IMNX-2003-7+-019-01
Broken Link http://isec.pl/vulnerabilities/isec-0011-wu-ftpd.txt
Mailing List http://marc.info/?l=bugtraq&m=105967301604815&w=2
Mailing List http://marc.info/?l=bugtraq&m=106001410028809&w=2
Mailing List http://marc.info/?l=bugtraq&m=106001702232325&w=2
Mailing List http://marc.info/?l=bugtraq&m=106002488209129&w=2
Broken Link http://secunia.com/advisories/9423
Broken Link http://secunia.com/advisories/9446
Broken Link http://secunia.com/advisories/9447
Broken Link http://secunia.com/advisories/9535
Broken Link http://securitytracker.com/id?1007380
Broken Link http://sunsolve.sun.com/search/document.do?assetkey=1-77-1001257.1-1
Broken Link http://www.debian.org/security/2003/dsa-357
Third Party Advisory http://www.kb.cert.org/vuls/id/743092
Third Party Advisory http://www.mandriva.com/security/advisories?name=MDKSA-2003:080
Broken Link http://www.novell.com/linux/security/advisories/2003_032_wuftpd.html
Broken Link http://www.osvdb.org/6602
Broken Link http://www.redhat.com/support/errata/RHSA-2003-245.html
and 34 more references
73
/ 100
critical-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 14/34 · Moderate