PRIOn knowledge basePRION:CVE-2009-4565Design/Logic Flaw
sendmail before 8.14.4 does not properly handle a ‘\0’ character in a Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based SMTP servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended access restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
References
lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
secunia.com/advisories/37998
secunia.com/advisories/38314
secunia.com/advisories/38915
secunia.com/advisories/39088
secunia.com/advisories/40109
secunia.com/advisories/43366
security.gentoo.org/glsa/glsa-201206-30.xml
sunsolve.sun.com/search/document.do?assetkey=1-77-1021797.1-1
www.debian.org/security/2010/dsa-1985
www.redhat.com/support/errata/RHSA-2011-0262.html
www.securityfocus.com/bid/37543
www.sendmail.org/releases/8.14.4
www.vupen.com/english/advisories/2009/3661
www.vupen.com/english/advisories/2010/0719
www.vupen.com/english/advisories/2010/1386
www.vupen.com/english/advisories/2011/0415
marc.info/?l=bugtraq&m=126953289726317&w=2
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10255
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11822
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