Date: Wed, 3 Mar 2010 13:58:45 -0800 From: Kees Cook <kees@...ntu.com> To: oss-security@...ts.openwall.com, libesmtp@...fford.uklinux.net Cc: security@...ntu.com Subject: CVE Request: libesmtp does not check NULL bytes in commonName Hello, I just noticed that libesmtp does not appear to handle NULL-byte CNs, as seen with the original browser-based issue: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2408 Related to this are failures in wildcard handling: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=311191 and CN-specificity: https://bugzilla.redhat.com/show_bug.cgi?id=510202 Though it may be a non-issue if TLS doesn't function at all: http://bugs.gentoo.org/213066 -Kees -- Kees Cook Ubuntu Security Team
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