CVE-2009-2666

NameCVE-2009-2666
Descriptionsocket.c in fetchmail before 6.3.11 does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-1852-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
fetchmail (PTS)stretch6.3.26-3fixed
buster6.4.0~beta4-3+deb10u1fixed
bullseye6.4.16-4+deb11u1fixed
bookworm, sid6.4.24-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
fetchmailsourceetch6.3.6-1etch2DSA-1852-1
fetchmailsourcelenny6.3.9~rc2-4+lenny1DSA-1852-1
fetchmailsource(unstable)6.3.9~rc2-6

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