7.5high

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 ena…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
5.6%
percentile 93%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

5.65% probability of exploitation in the next 30 days, higher than 93% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.06.0AV:N/AC:M/Au:S/C:P/I:P/A:P

Classification

Weakness

References

  • blog.ripstech.com /2016/roundcube-command-execution-via-email/ · x_refsource_MISC, x_transferred
  • securityfocus.com /bid/94858 · vdb-entry, x_refsource_BID, x_transferred
  • openwall.com /lists/oss-security/2016/12/08/10 · mailing-list, x_refsource_MLIST, x_transferred
  • roundcube.net /news/2016/11/28/updates-1.2.3-and-1.1.7-released · x_refsource_CONFIRM, x_transferred
  • security.gentoo.org /glsa/201612-44 · vendor-advisory, x_refsource_GENTOO, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.