CVE-2003-0161 Information

Description

The prescan() function in the address parser (parseaddr.c) in Sendmail before 8.12.9 does not properly handle certain conversions from char and int types which can cause a length check to be disabled when Sendmail misinterprets an input value as a special \NOCHAR\ control value allowing attackers to cause a denial of service and possibly execute arbitrary code via a buffer overflow attack using messages a different vulnerability than CVE-2002-1337.

Reference

ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2003-016.0.txt ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-03:07.sendmail.asc ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.11/SCOSA-2004.11.txt ftp://patches.sgi.com/support/free/security/advisories/20030401-01-P http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000614 http://lists.apple.com/mhonarc/security-announce/msg00028.html http://lists.grok.org.uk/pipermail/full-disclosure/2003-March/004295.html http://marc.info/?l=bugtraq&m=104896621106790&w=2 http://marc.info/?l=bugtraq&m=104897487512238&w=2 http://marc.info/?l=bugtraq&m=104914999806315&w=2 http://sunsolve.sun.com/search/document.do?assetkey=1-26-52620-1 http://sunsolve.sun.com/search/document.do?assetkey=1-26-52700-1 http://sunsolve.sun.com/search/document.do?assetkey=1-77-1001088.1-1 http://www.cert.org/advisories/CA-2003-12.html http://www.debian.org/security/2003/dsa-278 http://www.debian.org/security/2003/dsa-290 http://www.gentoo.org/security/en/glsa/glsa-200303-27.xml http://www.kb.cert.org/vuls/id/897604 http://www.redhat.com/support/errata/RHSA-2003-120.html http://www.redhat.com/support/errata/RHSA-2003-121.html http://www.securityfocus.com/archive/1/316961/30/25250/threaded http://www.securityfocus.com/archive/1/317135/30/25220/threaded http://www.securityfocus.com/archive/1/321997 http://www.securityfocus.com/bid/7230