Vulnerability identifier: #VU18801

Vulnerability risk: Low

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-11036

CWE-ID: CWE-125

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 potentially sensitive information.

The vulnerability exists due to a boundary condition in exif_process_IFD_TAG() function in PHP EXIF extension. A remote attacker can send a specially crafted file to the affected application, trigger out-of-bounds read error and read contents of memory on the system or crash the process.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PHP: 7.3.0 - 7.3.4, 7.2.0 - 7.2.17, 7.1.0 - 7.1.28

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External links
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00012.html
http://www.securityfocus.com/bid/108177
http://bugs.php.net/bug.php?id=77950
http://lists.debian.org/debian-lts-announce/2019/05/msg00035.html
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2NFXYNCXZCPYT7ZN4ZLI5EPQQW44FRRO/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3BY2XUUAN277LS7HKAOGL4DVGAELOJV3/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WN2HLPGEZEF4MFM5YC5FILZB5QEQFP3A/
http://security.netapp.com/advisory/ntap-20190517-0003/
http://usn.ubuntu.com/3566-2/
http://usn.ubuntu.com/4009-1/

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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.