Explain 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.
Affected Products: n/a
References: [{'name': '20030804 Off-by-one Buffer Overflow Vulnerability in BSD libc realpath(3)', 'tags': ['mailing-list', 'x_refsource_BUGTRAQ'], 'url': 'http://marc.info/?l=bugtraq&m=106002488209129&w=2'}, {'tags': ['x_refsource_MISC'], 'url': 'http://isec.pl/vulnerabilities/isec-0011-wu-ftpd.txt'}, {'name': '9446', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/9446'}, {'name': '6602', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://www.osvdb.org/6602'}, {'name': 'oval:org.mitre.oval:def:1970', 'tags': ['vdb-entry', 'signature', 'x_refsource_OVAL'], 'url': 'https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1970'}, {'name': '20060213 Latest wu-ftpd exploit :-s', 'tags': ['mailing-list', 'x_refsource_BUGTRAQ'], 'url': 'http://www.securityfocus.com/archive/1/424852/100/0/threaded'}, {'name': '8315', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/8315'}, {'name': '9423', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/9423'}, {'name': '20030731 wu-ftpd fb_realpath() off-by-one bug', 'tags': ['mailing-list', 'x_refsource_BUGTRAQ'], 'url': 'http://marc.info/?l=bugtraq&m=105967301604815&w=2'}, {'name': '20030731 wu-ftpd fb_realpath() off-by-one bug', 'tags': ['mailing-list', 'x_refsource_VULNWATCH'], 'url': 'http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0065.html'}, {'name': 'IMNX-2003-7+-019-01', 'tags': ['vendor-advisory', 'x_refsource_IMMUNIX'], 'url': 'http://download.immunix.org/ImmunixOS/7+/Updates/errata/IMNX-2003-7+-019-01'}, {'name': 'RHSA-2003:246', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://www.redhat.com/support/errata/RHSA-2003-246.html'}, {'name': '20060214 Re: Latest wu-ftpd exploit :-s', 'tags': ['mailing-list', 'x_refsource_BUGTRAQ'], 'url': 'http://www.securityfocus.com/archive/1/425061/100/0/threaded'}, {'name': 'VU#743092', 'tags': ['third-party-advisory', 'x_refsource_CERT-VN'], 'url': 'http://www.kb.cert.org/vuls/id/743092'}, {'name': 'RHSA-2003:245', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://www.redhat.com/support/errata/RHSA-2003-245.html'}, {'name': 'SuSE-SA:2003:032', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://www.novell.com/linux/security/advisories/2003_032_wuftpd.html'}, {'name': '1001257', 'tags': ['vendor-advisory', 'x_refsource_SUNALERT'], 'url': 'http://sunsolve.sun.com/search/document.do?assetkey=1-77-1001257.1-1'}, {'name': 'DSA-357', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2003/dsa-357'}, {'name': '20030804 wu-ftpd-2.6.2 off-by-one remote exploit.', 'tags': ['mailing-list', 'x_refsource_BUGTRAQ'], 'url': 'http://marc.info/?l=bugtraq&m=106001702232325&w=2'}, {'name': '1007380', 'tags': ['vdb-entry', 'x_refsource_SECTRACK'], 'url': 'http://securitytracker.com/id?1007380'}, {'name': 'MDKSA-2003:080', 'tags': ['vendor-advisory', 'x_refsource_MANDRAKE'], 'url': 'http://www.mandriva.com/security/advisories?name=MDKSA-2003:080'}, {'name': 'libc-realpath-offbyone-bo(12785)', 'tags': ['vdb-entry', 'x_refsource_XF'], 'url': 'https://exchange.xforce.ibmcloud.com/vulnerabilities/12785'}, {'name': 'FreeBSD-SA-03:08', 'tags': ['vendor-advisory', 'x_refsource_FREEBSD'], 'url': 'http://marc.info/?l=bugtraq&m=106001410028809&w=2'}, {'name': 'TLSA-2003-46', 'tags': ['vendor-advisory', 'x_refsource_TURBO'], 'url': 'http://www.turbolinux.com/security/TLSA-2003-46.txt'}, {'name': 'NetBSD-SA2003-011.txt.asc', 'tags': ['vendor-advisory', 'x_refsource_NETBSD'], 'url': 'ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2003-011.txt.asc'}, {'name': '9535', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/9535'}, {'name': '9447', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/9447'}]
CVE State: PUBLISHED