CVE-2017-16651 Information

Description

Roundcube Webmail before 1.1.10 1.2.x before 1.2.7 and 1.3.x before 1.3.3 allows unauthorized access to arbitrary files on the host’s filesystem including configuration files as exploited in the wild in November 2017. The attacker must be able to authenticate at the target system with a valid username/password as the attack requires an active session. The issue is related to file-based attachment plugins and _task=settings&_action=upload-display&_from=timezone requests.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/101793 https://github.com/roundcube/roundcubemail/issues/6026 https://github.com/roundcube/roundcubemail/releases/tag/1.1.10 https://github.com/roundcube/roundcubemail/releases/tag/1.2.7 https://github.com/roundcube/roundcubemail/releases/tag/1.3.3 https://lists.debian.org/debian-lts-announce/2017/11/msg00039.html https://roundcube.net/news/2017/11/08/security-updates-1.3.3-1.2.7-and-1.1.10 https://www.debian.org/security/2017/dsa-4030

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8