Main Vulnerability Database Vulnerabilities #VU27474

#VU27474 Deserialization of Untrusted Data in Subrion CMS - CVE-2020-12469

Published: April 30, 2020

Vulnerability identifier: #VU27474

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:P/U:Green

CVE-ID: CVE-2020-12469

CWE-ID: CWE-502

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Subrion CMS

Software vendor:
Intelliants

Description

The vulnerability allows a remote attacker to delete arbitrary files.

The vulnerability exists in "admin/blocks.php" file due to insecure input validation when processing serialized data in the subpages value within a block to blocks/edit. A remote authenticated attacker can pass specially crafted data to the application, cause PHP Object Injection and delete arbitrary files on the target system.

Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links

https://github.com/belong2yourself/vulnerabilities/tree/master/Subrion%20CMS/Insecure%20Deserialization/Subpages%20-%20Authenticated%20PHP%20Object%20Injection