Main Vulnerability Database Vulnerabilities #VU28981

Path traversal in Roundcube Webmail - CVE-2020-12640

Published: June 11, 2020

Vulnerability identifier: #VU28981

CSH Severity: Medium

CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-12640

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences passed via the plugin name to rcube_plugin_api.php. A remote user can send a specially crafted HTTP request and read arbitrary files on the system.

Affected software

Roundcube Webmail
Gentoo Linux
SUSE Linux
Opensuse

How to mitigate CVE-2020-12640

Install update from vendor's website.

Roundcube Webmail - addressed in versions 1.2.10, 1.3.11, 1.4.4

External References

https://github.com/roundcube/roundcubemail/commit/814eadb699e8576ce3a78f21e95bf69a7c7b3794
https://github.com/roundcube/roundcubemail/compare/1.4.3...1.4.4
https://github.com/roundcube/roundcubemail/releases/tag/1.4.4
https://roundcube.net/news/2020/04/29/security-updates-1.4.4-1.3.11-and-1.2.10

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