PHP inlcuding in Roundcube Webmail

1) PHP including

EUVDB-ID: #VU4789

Risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2013-1904

CWE-ID: CWE-98 - Improper Control of Filename for Include/Require Statement in PHP Program

Exploit availability: No

Description

The vulnerability allows a remote attacker to include arbitrary files on the target system.

The weakness exists due to improper sanitization of user-supplied data within "steps/mail/sendmail.inc" script when parsing "generic_message_footer" HTTP parameter passed to "/index.php" script. A remote attacker can send a specially crafted HTTP request to the "index.php" script, include and execute arbitrary PHP script on the affected server.

Successful exploitation of the vulnerability may lead to system compromise.

Note: the vulnerability was being actively exploited.

Mitigation

Update to version 0.7.4 or 0.8.6 or 0.9-RC2.

Vulnerable software versions

Roundcube: 0.1 - 0.8.6

CPE2.3

• cpe:2.3:a:roundcube:roundcube:0.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:roundcube:roundcube:0.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:roundcube:roundcube:0.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:roundcube:roundcube:0.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:roundcube:roundcube:0.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:roundcube:roundcube:0.6:*:*:*:*:*:*:*
• cpe:2.3:a:roundcube:roundcube:0.7.3:*:*:*:*:*:*:*
• cpe:2.3:a:roundcube:roundcube:0.8.6:*:*:*:*:*:*:*

External links

https://sourceforge.net/p/roundcubemail/news/2013/03/security-updates-086-and-073/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.