#VU26581 Deserialization of Untrusted Data in Laravel Framework - CVE-2018-15133
Published: April 5, 2020 / Updated: January 16, 2024
Vulnerability identifier: #VU26581
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2018-15133
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Laravel Framework
Laravel Framework
Software vendor:
Laravel LLC
Laravel LLC
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data passed via the X-XSRF-TOKEN token in decrypt() method from Illuminate/Encryption/Encrypter.php and PendingBroadcast() method from gadgetchains/Laravel/RCE/3/chain.php in phpggc. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires knowledge of application key.
Remediation
Install updates from vendor's website.