Type confusion in PHP - #VU9467
Published: November 30, 2017
Vulnerability identifier: #VU9467
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system
The weakness exists due to type confusion in exif_read_data(). A remote attacker can supply a specially crafted TIFF image, trigger heap overflow in debug mode and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists due to type confusion in exif_read_data(). A remote attacker can supply a specially crafted TIFF image, trigger heap overflow in debug mode and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Update to version 7.2.0.