Integer overflow in PHP PDO_SQLite

1) Integer overflow

EUVDB-ID: #VU70788

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31631

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

PHP: 8.0.0 - 8.2.0

External links

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

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.