#VU10800 Stack-based buffer overflow in PHP - CVE-2018-7584

Vulnerability identifier: #VU10800

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-7584

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PHP
Universal components / Libraries / Scripting languages

Vendor: PHP Group

Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to stack-based buffer overflow when handling malicious input. A remote attacker can send specially crafted HTTP response packets, trigger memory corruption and cause the application to crash.

Mitigation
Update to version 5.6.34, 7.0.28, 7.1.15.

Vulnerable software versions

PHP: 5.6.33, 7.0.27, 7.1.14

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External links
https://php.net/ChangeLog-5.php
https://php.net/ChangeLog-7.php

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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.