Multiple vulnerabilities in Gila CMS

Published: 2019-04-25 | Updated: 2019-09-23

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-11515 CVE-2019-11456
CWE-ID	CWE-22 CWE-352
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #2 is available.
Vulnerable software Subscribe	Gila CMS Web applications / CMS
Vendor	Gila CMS

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Path traversal

EUVDB-ID: #VU21278

Risk: Medium

CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-11515

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote authenticated administrator to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the "/src/core/classes/db_backup.php" file. A remote authenticated administrator can send a specially crafted HTTP request and read arbitrary files on the system via the "admin/db_backup?download=".

PoC:

http://[host]/admin/db_backup?download=/etc/passwd

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gila CMS: 1.10.1

External links

http://cisk123456.blogspot.com/2019/04/gila-cms-1101.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) Cross-site request forgery

EUVDB-ID: #VU21286

Risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-11456

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.