Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2016-9920

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.

Published

2016-12-08T18:59:00.200

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

6.8

Impact Score

6.4

Weaknesses

Type: Primary
CWE-284

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	roundcube	webmail	≤ 1.1.6	Yes
Application	roundcube	webmail	1.2.0	Yes
Application	roundcube	webmail	1.2.1	Yes
Application	roundcube	webmail	1.2.2	Yes

References

http://www.openwall.com/lists/oss-security/2016/12/08/10 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/94858 ([email protected])
https://blog.ripstech.com/2016/roundcube-command-execution-via-email/ Exploit, Third Party Advisory ([email protected])
https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released Release Notes, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/201612-44 ([email protected])
http://www.openwall.com/lists/oss-security/2016/12/08/10 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/94858 (af854a3a-2127-422b-91ae-364da2661108)
https://blog.ripstech.com/2016/roundcube-command-execution-via-email/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201612-44 (af854a3a-2127-422b-91ae-364da2661108)