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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 6.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability : 1.6 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 6.8 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released	Release Notes Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/12/08/10	Mailing List Third Party Advisory
https://blog.ripstech.com/2016/roundcube-command-execution-via-email/	Exploit Third Party Advisory
http://www.securityfocus.com/bid/94858
https://security.gentoo.org/glsa/201612-44

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:roundcube:webmail::::::::
	cpe:2.3:a:roundcube:webmail:1.2.1:::::::*
	cpe:2.3:a:roundcube:webmail:1.2.2:::::::*
	cpe:2.3:a:roundcube:webmail:1.2.0:::::::*

Information

Published : 2016-12-08 10:59

Updated : 2017-06-30 18:30

NVD link : CVE-2016-9920

Mitre link : CVE-2016-9920

JSON object : View

CWE

CWE-284

Improper Access Control

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Products Affected

roundcube

webmail

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