CVE-2018-9846

NameCVE-2018-9846
DescriptionIn Roundcube from versions 1.2.0 to 1.3.5, with the archive plugin enabled and configured, it's possible to exploit the unsanitized, user-controlled "_uid" parameter (in an archive.php _task=mail&_mbox=INBOX&_action=plugin.move2archive request) to perform an MX (IMAP) injection attack by placing an IMAP command after a %0d%0a sequence. NOTE: this is less easily exploitable in 1.3.4 and later because of a Same Origin Policy protection mechanism.
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-4181-1
NVD severitymedium
Debian Bugs895184

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
roundcube (PTS)stretch1.2.3+dfsg.1-4+deb9u6fixed
stretch (security)1.2.3+dfsg.1-4+deb9u8fixed
buster, buster (security)1.3.16+dfsg.1-1~deb10u1fixed
bookworm, sid, bullseye1.4.11+dfsg.1-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
roundcubesourcewheezy(not affected)
roundcubesourcestretch1.2.3+dfsg.1-4+deb9u2DSA-4181-1
roundcubesource(unstable)1.3.6+dfsg.1-1895184

Notes

[wheezy] - roundcube <not-affected> (Vulnerable code not present in archive.php)
https://github.com/roundcube/roundcubemail/issues/6238
https://github.com/roundcube/roundcubemail/commit/e3dd5b66d236867572e68fcb80281e9268a0cfb0 (release-1.3)
https://github.com/roundcube/roundcubemail/commit/cdeb6234a2e029c499898c3432fdf5b2cf093640 (release-1.2)
https://github.com/roundcube/roundcubemail/commit/5b7e9a2c960eb4fd2364921297020a5dcd2d7dbc (release-1.2)
https://github.com/roundcube/roundcubemail/commit/c69b851b8a704f6483ec9d1cae7cd1ecd33c3343 (release-1.2)
https://github.com/roundcube/roundcubemail/commit/7901047474729a7f466eb8c59c92a36fc7cf0e70 (release-1.2)

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