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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1.2.3+dfsg.1-1 |
| debian | bullseye | fixed | 1.2.3+dfsg.1-1 |
| debian | sid | fixed | 1.2.3+dfsg.1-1 |
| debian | trixie | fixed | 1.2.3+dfsg.1-1 |
| debian | forky | fixed | 1.2.3+dfsg.1-1 |
References
- http://www.openwall.com/lists/oss-security/2016/12/08/10
- http://www.securityfocus.com/bid/94858
- https://blog.ripstech.com/2016/roundcube-command-execution-via-email/
- https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released
- https://security.gentoo.org/glsa/201612-44
- https://security-tracker.debian.org/tracker/CVE-2016-9920
CWEs
CWE-284
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.