mod_access in Apache 1.3 before 1.3.30, when running big-endian 64-bit platforms, does not properly parse Allow/Deny rules using IP addresses without a netmask, which could allow remote attackers to bypass intended access restrictions.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4670
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100111
https://exchange.xforce.ibmcloud.com/vulnerabilities/15422
http://www.trustix.org/errata/2004/0027
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2004&m=slackware-security.529643
http://www.securityfocus.com/bid/9829
http://www.apacheweek.com/features/security-13
http://sunsolve.sun.com/search/document.do?assetkey=1-26-57628-1
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101841-1
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101555-1
http://security.gentoo.org/glsa/glsa-200405-22.xml
http://marc.info/?l=bugtraq&m=108437852004207&w=2
http://marc.info/?l=apache-cvs&m=107869603013722
http://issues.apache.org/bugzilla/show_bug.cgi?id=23850
http://frontal2.mandriva.com/security/advisories?name=MDKSA-2004:046