Vulnerability identifier: #VU19277

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-11039

CWE-ID: CWE-190

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 gain access to sensitive information.

The vulnerability exists due to integer overflow in iconv_mime_decode_headers() function when processing MIME headers. A remote attacker can trigger integer overflow and gain access to sensitive information or trigger application crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PHP: 7.3.0 - 7.3.5, 7.2.0 - 7.2.18, 7.1.0 - 7.1.29

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External links
http://bugs.php.net/bug.php?id=78069

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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.