Vulnerability identifier: #VU53327

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32615

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Piwigo
Web applications / CMS

Vendor: Piwigo.org

Description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data in the "rder[0][dir]" parameter in admin/user_list_backend.php script. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Piwigo: 11.0.0 - 11.4.0

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External links
http://github.com/Piwigo/Piwigo/issues/1410
http://github.com/Piwigo/Piwigo/commit/2ce1e5952238eba0fe5c5d6537ebdc76cb970b52

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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.