#VU18380 Out-of-bounds read in PHP - CVE-2019-11035

Vulnerability identifier: #VU18380

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2019-11035

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
PHP

Software vendor:
PHP Group

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the exif_iif_add_value() function in PHP EXIF extension when processing certain files. An attacker can pass a specially crafted file to the application,  trigger out-of-bounds read error and read contents of memory on the system or perform a denial of service attack.

Install updates from vendor's website.

• https://bugs.php.net/bug.php?id=77831