#VU70788 Integer overflow in PHP - CVE-2022-31631

Vulnerability identifier: #VU70788

Vulnerability risk: Medium

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

CVE-ID: CVE-2022-31631

CWE-ID: CWE-190

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
PHP

Software vendor:
PHP Group

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to integer overflow when processing untrusted input within the PDO::quote() in PDO_SQLite. A remote attacker can pass a specially crafted input to the application that after being processed by the affected PDO::quote() method will return a quoted string, which can result in a SQL injection.

Install updates from vendor's website.

• https://www.php.net/ChangeLog-8.php#8.2.1
• https://www.php.net/ChangeLog-8.php#8.1.14
• https://www.php.net/ChangeLog-8.php#8.0.27
• https://bugs.php.net/bug.php?id=81740