Improper Authentication in OpenSSL - CVE-2023-2975

 

Improper Authentication in OpenSSL - CVE-2023-2975

Published: July 15, 2023 / Updated: August 2, 2023


Vulnerability identifier: #VU78265
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-2975
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenSSL Software Foundation
Affected software:
OpenSSL

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in the AES-SIV cipher implementation when authenticating empty data entries via the EVP_EncryptUpdate() and EVP_CipherUpdate() functions. A remote attacker can bypass authentication process and impact application's integrity.


How to mitigate CVE-2023-2975

Install update from vendor's website.

Sources