CVE-2009-4565

NameCVE-2009-4565
Descriptionsendmail 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-1985-1
Debian Bugs564581

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
sendmail (PTS)jessie8.14.4-8+deb8u2fixed
stretch (lts), stretch8.15.2-8+deb9u2fixed
buster (security), buster, buster (lts)8.15.2-14~deb10u3fixed
bullseye8.15.2-22+deb11u3fixed
bookworm8.17.1.9-2+deb12u2fixed
sid, trixie8.18.1-6fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sendmailsourceetch8.13.8-3+etch1DSA-1985-1
sendmailsourcelenny8.14.3-5+lenny1DSA-1985-1
sendmailsource(unstable)8.14.3-9.1medium564581

Notes

http://www.sendmail.org/releases/8.14.4
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