Multiple vulnerabilities in PortlandLabs concrete5

1) Information disclosure

EUVDB-ID: #VU41454

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-5107

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

concrete5 before 5.6.3 allows remote attackers to obtain the installation path via a direct request to (1) system/basics/editor.php, (2) system/view.php, (3) system/environment/file_storage_locations.php, (4) system/mail/importers.php, (5) system/mail/method.php, (6) system/permissions/file_types.php, (7) system/permissions/files.php, (8) system/permissions/tasks.php, (9) system/permissions/users.php, (10) system/seo/view.php, (11) view.php, (12) users/attributes.php, (13) scrapbook/view.php, (14) pages/attributes.php, (15) files/attributes.php, or (16) files/search.php in single_pages/dashboard/.

Mitigation

Install update from vendor's website.

Vulnerable software versions

concrete5: 5.4.2 - 5.6.2.1

External links

http://osvdb.org/show/osvdb/109269
http://packetstormsecurity.com/files/127493/Concrete-5.6.2.1-REFERER-Cross-Site-Scripting.html
http://www.securityfocus.com/bid/68685
http://www.concrete5.org/documentation/background/version_history/5-6-3-release-notes

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.

2) Cross-site scripting

EUVDB-ID: #VU41455

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-5108

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in single_pagesdownload_file.php in concrete5 before 5.6.3 when processing HTTP Referer header to index.php/download_file. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

concrete5: 5.4.2 - 5.6.2.1

External links

http://osvdb.org/show/osvdb/109273
http://packetstormsecurity.com/files/127493/Concrete-5.6.2.1-REFERER-Cross-Site-Scripting.html
http://www.securityfocus.com/bid/68685
http://www.concrete5.org/documentation/background/version_history/5-6-3-release-notes

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.