Vulnerability identifier: #VU31148

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-9641

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PHP
Universal components / Libraries / Scripting languages

Vendor: PHP Group

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exif_process_IFD_in_TIFF.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PHP: 7.3.0 - 7.3.2

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External links
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
http://bugs.php.net/bug.php?id=77509
http://lists.debian.org/debian-lts-announce/2019/03/msg00043.html
http://security.netapp.com/advisory/ntap-20190502-0007/
http://usn.ubuntu.com/3922-1/
http://usn.ubuntu.com/3922-2/
http://usn.ubuntu.com/3922-3/
http://www.debian.org/security/2019/dsa-4403

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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.