Covert Timing Channel in RSA BSAFE Micro Edition Suite - CVE-2018-11057
Published: October 1, 2019
Vulnerability identifier: #VU21467
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-11057
CWE-ID: CWE-385
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerabiity exists due to a covert timing channel vulnerability during RSA decryption, also known as a Bleichenbacher attack on RSA decryption. A remote attacker can recover a RSA key.Affected software
RSA BSAFE Micro Edition Suite
How to mitigate CVE-2018-11057
Install updates from vendor's website.
RSA BSAFE Micro Edition Suite - addressed in versions 4.0.11, 4.1.6.1