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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.60% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- roundcube/webmail
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2016/12/08/10Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94858
- https://blog.ripstech.com/2016/roundcube-command-execution-via-email/Exploit, Third Party Advisory
- https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-releasedRelease Notes, Vendor Advisory
- https://security.gentoo.org/glsa/201612-44
- http://www.openwall.com/lists/oss-security/2016/12/08/10Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94858
- https://blog.ripstech.com/2016/roundcube-command-execution-via-email/Exploit, Third Party Advisory
- https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-releasedRelease Notes, Vendor Advisory
- https://security.gentoo.org/glsa/201612-44
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.