Out-of-bounds read in OpenSSL - CVE-2023-1255

Vulnerability identifier: #VU75388

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2023-1255

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: OpenSSL Software Foundation

Affected software:
OpenSSL

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

The vulnerability exists due to a boundary error within the AES-XTS cipher decryption implementation for 64 bit ARM platform. An attacker with ability to control the size and location of the ciphertext buffer can trigger an out-of-bounds read and crash the application.

Install update from vendor's website.

• https://www.openssl.org/news/secadv/20230420.txt