#VU22481 Out-of-bounds read in PHP - CVE-2019-9639

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Main Vulnerability Database Vulnerabilities #VU22481

#VU22481 Out-of-bounds read in PHP - CVE-2019-9639

Published: November 1, 2019


Vulnerability identifier: #VU22481
Vulnerability risk: Medium
CVSSv4.0: 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:Green
CVE-ID: CVE-2019-9639
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
PHP
Software 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 the EXIF component in exif_process_IFD_in_MAKERNOTE when handling the data_len variable. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.


Remediation

Install updates from vendor's website.

External links