SB2023022506 - SUSE update for php7

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Use of insufficiently random values (CVE-ID: CVE-2023-0567)

The vulnerability allows a remote attacker to bypass authentication.

The vulnerability exists due to an error within the Password_verify() function, which always returns true with some hashes. A remote attacker can bypass authentication process and gain unauthorized access to the application.

2) Out-of-bounds write (CVE-ID: CVE-2023-0568)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in fopen_wrappers.c. A remote attacker can pass a specially crafted filename to the affected application, trigger a one-byte buffer overflow and crash the application or potentially execute arbitrary code.

3) Input validation error (CVE-ID: CVE-2023-0662)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when parsing multipart request body. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://www.suse.com/support/update/announcement/2023/suse-su-20230514-1/