漏洞描述
Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18, when FORM authentication is used, allows remote attackers to enumerate valid usernames via requests to /j_security_check with malformed URL encoding of passwords, related to improper error checking in the (1) MemoryRealm, (2) DataSourceRealm, and (3) JDBCRealm authentication realms, as demonstrated by a % (percent) value for the j_password parameter.
影响产品
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
lists.apache.orghttps://lists.apache.org/thread.html/r3aacc40356defc3f248aa504b1e48e819dd0471a0a83349080c6bcbf%40%3Cdev.tomcat.apache.org%3E↗lists.apache.orghttps://lists.apache.org/thread.html/06cfb634bc7bf37af7d8f760f118018746ad8efbd519c4b789ac9c2e%40%3Cdev.tomcat.apache.org%3E↗oval.cisecurity.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9101↗lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html↗support.apple.comhttp://support.apple.com/kb/HT4077↗marc.infohttp://marc.info/?l=bugtraq&m=127420533226623&w=2↗svn.apache.orghttp://svn.apache.org/viewvc?rev=781379&view=rev↗svn.apache.orghttp://svn.apache.org/viewvc?rev=747840&view=rev↗sunsolve.sun.comhttp://sunsolve.sun.com/search/document.do?assetkey=1-26-263529-1↗secunia.comhttp://secunia.com/advisories/42368↗lists.apache.orghttps://lists.apache.org/thread.html/r584a714f141eff7b1c358d4679288177bd4ca4558e9999d15867d4b5%40%3Cdev.tomcat.apache.org%3E↗www.securityfocus.comhttp://www.securityfocus.com/bid/35196↗www.vupen.comhttp://www.vupen.com/english/advisories/2009/3316↗www.securityfocus.comhttp://www.securityfocus.com/archive/1/507985/100/0/threaded↗www.securityfocus.comhttp://www.securityfocus.com/archive/1/504045/100/0/threaded↗secunia.comhttp://secunia.com/advisories/35685↗www.debian.orghttp://www.debian.org/security/2011/dsa-2207↗secunia.comhttp://secunia.com/advisories/35344↗www.mandriva.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2010:176↗svn.apache.orghttp://svn.apache.org/viewvc?rev=781382&view=rev↗oval.cisecurity.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18915↗www.mandriva.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2009:138↗tomcat.apache.orghttp://tomcat.apache.org/security-5.html↗www.mandriva.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2009:136↗secunia.comhttp://secunia.com/advisories/35788↗www.securityfocus.comhttp://www.securityfocus.com/archive/1/504108/100/0/threaded↗tomcat.apache.orghttp://tomcat.apache.org/security-4.html↗www.redhat.comhttps://www.redhat.com/archives/fedora-package-announce/2009-November/msg01246.html↗www.vupen.comhttp://www.vupen.com/english/advisories/2009/1856↗www.redhat.comhttps://www.redhat.com/archives/fedora-package-announce/2009-November/msg01156.html↗www.vupen.comhttp://www.vupen.com/english/advisories/2010/3056↗securitytracker.comhttp://securitytracker.com/id?1022332↗marc.infohttp://marc.info/?l=bugtraq&m=129070310906557&w=2↗lists.apache.orghttps://lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74%40%3Cdev.tomcat.apache.org%3E↗www.vmware.comhttp://www.vmware.com/security/advisories/VMSA-2009-0016.html↗lists.apache.orghttps://lists.apache.org/thread.html/8dcaf7c3894d66cb717646ea1504ea6e300021c85bb4e677dc16b1aa%40%3Cdev.tomcat.apache.org%3E↗secunia.comhttp://secunia.com/advisories/37460↗www.securityfocus.comhttp://www.securityfocus.com/archive/1/504125/100/0/threaded↗secunia.comhttp://secunia.com/advisories/35326↗exchange.xforce.ibmcloud.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/50930↗www.redhat.comhttps://www.redhat.com/archives/fedora-package-announce/2009-November/msg01216.html↗oval.cisecurity.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6628↗lists.apple.comhttp://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html↗lists.apache.orghttps://lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3E↗tomcat.apache.orghttp://tomcat.apache.org/security-6.html↗marc.infohttp://marc.info/?l=bugtraq&m=136485229118404&w=2↗www.vupen.comhttp://www.vupen.com/english/advisories/2009/1496↗lists.apache.orghttps://lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3E↗marc.infohttp://marc.info/?l=bugtraq&m=133469267822771&w=2↗