CVE-2016-9920 - Improper Access Control

Severity

60%

Complexity

68%

Confidentiality

106%

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.

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 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 6. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:S/C:P/I:P/A:P).

Overview

Type

RoundCube Webmail

First reported 8 years ago

2016-12-08 18:59:00

Last updated 7 years ago

2017-07-01 01:30:00

Affected Software

RoundCube Webmail 1.2.0

1.2.0

RoundCube Webmail 1.2.1

1.2.1

RoundCube Webmail 1.2.2

1.2.2

References

[oss-security] 20161208 roundcube code execution via mail()

Mailing List, Third Party Advisory

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-released

Release Notes, Vendor Advisory

GLSA-201612-44

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