#VU15775 XXE attack in PHP

Vulnerability identifier: #VU15775

Vulnerability risk: Low

CVSSv4.0: 4.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PHP
Universal components / Libraries / Scripting languages

Vendor: PHP Group

Description
The vulnerability allows a remote unauthenticated attacker to conduct XXE-attack.

The vulnerability exists due to entities from the internal dtd are not resolved in element content when using xml_parse_into_struct. A remote attacker can trick the victim into opening an XML file that submits malicious input to gain access to arbitrary data or cause the service to crash.

Mitigation
The vulnerability has been fixed in the versions 7.1.24, 7.2.12.

Vulnerable software versions

PHP: 7.1.0 - 7.1.23, 7.2.0 - 7.2.11

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External links
https://bugs.php.net/bug.php?id=76948

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.