XXE attack in PHP - #VU16324

 

XXE attack in PHP - #VU16324

Published: December 7, 2018


Vulnerability identifier: #VU16324
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: N/A
CWE-ID: CWE-611
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 conduct XXE-attack on the target system.

The vulnerability exists due to improper handling of XML External Entities (XXEs) when parsing an XML file. A remote attacker can trick the victim into open an XML file that submits malicious input and cause XML parser to stop parsing and xml_get_error_code() to return XML_ERROR_EXTERNAL_ENTITY_HANDLING.

Remediation

Update to version 7.3.0.

Sources