漏洞描述
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.
影响产品
暂无结构化产品信息。
修复建议
建议关注厂商安全公告，及时升级至已修复版本，并结合实际资产暴露情况采取缓解措施。
参考链接
securitytracker.comhttp://securitytracker.com/id?1007380↗oval.cisecurity.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1970↗archives.neohapsis.comhttp://archives.neohapsis.com/archives/vulnwatch/2003-q3/0065.html↗www.mandriva.comhttp://www.mandriva.com/security/advisories?name=MDKSA-2003:080↗www.turbolinux.comhttp://www.turbolinux.com/security/TLSA-2003-46.txt↗secunia.comhttp://secunia.com/advisories/9535↗www.redhat.comhttp://www.redhat.com/support/errata/RHSA-2003-245.html↗www.securityfocus.comhttp://www.securityfocus.com/bid/8315↗www.securityfocus.comhttp://www.securityfocus.com/archive/1/424852/100/0/threaded↗marc.infohttp://marc.info/?l=bugtraq&m=106001702232325&w=2↗www.securityfocus.comhttp://www.securityfocus.com/archive/1/425061/100/0/threaded↗www.novell.comhttp://www.novell.com/linux/security/advisories/2003_032_wuftpd.html↗sunsolve.sun.comhttp://sunsolve.sun.com/search/document.do?assetkey=1-77-1001257.1-1↗marc.infohttp://marc.info/?l=bugtraq&m=106001410028809&w=2↗secunia.comhttp://secunia.com/advisories/9447↗secunia.comhttp://secunia.com/advisories/9423↗marc.infohttp://marc.info/?l=bugtraq&m=105967301604815&w=2↗www.redhat.comhttp://www.redhat.com/support/errata/RHSA-2003-246.html↗isec.plhttp://isec.pl/vulnerabilities/isec-0011-wu-ftpd.txt↗secunia.comhttp://secunia.com/advisories/9446↗www.osvdb.orghttp://www.osvdb.org/6602↗marc.infohttp://marc.info/?l=bugtraq&m=106002488209129&w=2↗download.immunix.orghttp://download.immunix.org/ImmunixOS/7+/Updates/errata/IMNX-2003-7+-019-01↗www.kb.cert.orghttp://www.kb.cert.org/vuls/id/743092↗www.debian.orghttp://www.debian.org/security/2003/dsa-357↗exchange.xforce.ibmcloud.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/12785↗