SB2018080915 - Remote code execution in Laravel Framework



SB2018080915 - Remote code execution in Laravel Framework

Published: August 9, 2018 Updated: January 16, 2024

Security Bulletin ID SB2018080915
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Deserialization of Untrusted Data (CVE-ID: CVE-2018-15133)

CWE-ID: CWE-502 - Deserialization of Untrusted Data

CVSSv4: 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


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 update from vendor's website.