split-logfile in Apache 1.3.20 allows remote attackers to overwrite arbitrary files that end in the .log extension via an HTTP request with a / (slash) in the Host: header.
https://exchange.xforce.ibmcloud.com/vulnerabilities/7419
http://www.redhat.com/support/errata/RHSA-2001-164.html
http://www.redhat.com/support/errata/RHSA-2001-126.html
http://www.linuxsecurity.com/advisories/other_advisory-1649.html
http://www.apacheweek.com/issues/01-09-28#security
http://frontal2.mandriva.com/security/advisories?name=MDKSA-2001:077
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000430