CVE-2016-9920

Name	CVE-2016-9920
Description	steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote authenticated users to execute arbitrary code via a modified HTTP request that sends a crafted e-mail message.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-737-1
Debian Bugs	847287

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
roundcube (PTS)	bullseye (security), bullseye	1.4.15+dfsg.1-1+deb11u4	fixed
	bookworm, bookworm (security)	1.6.5+dfsg-1+deb12u4	fixed
	sid, trixie	1.6.9+dfsg-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
roundcube	source	wheezy	0.7.2-9+deb7u5		DLA-737-1
roundcube	source	(unstable)	1.2.3+dfsg.1-1			847287

Notes

https://blog.ripstech.com/2016/roundcube-command-execution-via-email/
Fixed by: https://github.com/roundcube/roundcubemail/commit/f84233785ddeed01445fc855f3ae1e8a62f167e1
Fixed by: https://github.com/roundcube/roundcubemail/commit/aa6bf38843f51a0fc7205acc98a7b84f3c4c9c4f