CVE-2016-7440

yaSSL: AES key leak via cache-bank timing side channel attack

Loading…

Severity

Moderate

Red Hat Product Security

5.1

CVSS 3.0

Review impact separately from score.

Published · October 19, 2016

Updated · November 21, 2025

Description

The C software implementation of AES Encryption and Decryption in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover AES keys by leveraging cache-bank timing differences.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.1
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS 2.0 · 1.2
AV:L/AC:H/Au:N/C:P/I:N/A:N

CWE not specified