Deserialization of untrusted data in PHP - #VU8488

 

Deserialization of untrusted data in PHP - #VU8488

Published: September 18, 2017


Vulnerability identifier: #VU8488
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: N/A
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: PHP Group
Affected software:
PHP

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of the user-input within unserialize () function. A remote attacker with ability to control input data can trigger denial of service (DoS) attack.


Remediation

Update to version 7.0.23 or 7.1.9.

Sources