A vulnerability classified as problematic was found in RoundCube up to 1.0.5/1.1.1 (Mail Client Software). Affected by this vulnerability is an unknown function of the file program/include/rcmail.php. The manipulation of the argument _mbox with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in program/include/rcmail.php in Roundcube before 1.0.6 and 1.1.x before 1.1.2 allows remote attackers to inject arbitrary web script or HTML via the _mbox parameter in a mail task to the default URL, a different vulnerability than CVE-2011-2937.

The weakness was released 01/29/2016 (Website). It is possible to read the advisory at roundcube.net. This vulnerability is known as CVE-2015-8793 since 01/29/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

By approaching the search of inurl:program/include/rcmail.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.0.6 or 1.1.2 eliminates this vulnerability.

Productinfo

Type

• Mail Client Software

Name

• RoundCube

Version

• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5
• 1.1.0
• 1.1.1

License

• free

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CPE 2.2info

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