#VU18801 Out-of-bounds read in PHP - CVE-2019-11036
Vulnerability identifier: #VU18801
Vulnerability risk: Low
CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
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: 7.1.0 - 7.1.28, 7.2.0 - 7.2.17, 7.3.0alpha1 - 7.3.4
External links
https://lists.opensuse.org/opensuse-security-announce/2019-06/msg00010.html
https://lists.opensuse.org/opensuse-security-announce/2019-06/msg00012.html
https://www.securityfocus.com/bid/108177
https://bugs.php.net/bug.php?id=77950
https://lists.debian.org/debian-lts-announce/2019/05/msg00035.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2NFXYNCXZCPYT7ZN4ZLI5EPQQW44FRRO/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3BY2XUUAN277LS7HKAOGL4DVGAELOJV3/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WN2HLPGEZEF4MFM5YC5FILZB5QEQFP3A/
https://security.netapp.com/advisory/ntap-20190517-0003/
https://usn.ubuntu.com/3566-2/
https://usn.ubuntu.com/4009-1/
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.
