CVE-2013-6171

NameCVE-2013-6171
Descriptioncheckpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs729063

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dovecot (PTS)jessie, jessie (lts)1:2.2.13-12~deb8u9fixed
stretch (security)1:2.2.27-3+deb9u7fixed
stretch (lts), stretch1:2.2.27-3+deb9u8fixed
buster, buster (lts)1:2.3.4.1-5+deb10u8fixed
buster (security)1:2.3.4.1-5+deb10u7fixed
bullseye1:2.3.13+dfsg1-2+deb11u1fixed
bullseye (security)1:2.3.13+dfsg1-2+deb11u2fixed
bookworm (security), bookworm1:2.3.19.1+dfsg1-2.1+deb12u1fixed
sid, trixie1:2.3.21.1+dfsg1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dovecotsource(unstable)1:2.2.9-1low729063

Notes

[wheezy] - dovecot <no-dsa> (Minor issue)
[squeeze] - dovecot <no-dsa> (Minor issue)

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