Covert Timing Channel in RSA BSAFE Micro Edition Suite - CVE-2018-11057

Vulnerability identifier: #VU21467

CSH Severity: Medium

CVSS v4.0: 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/E:U/U:Green

CVE-ID: CVE-2018-11057

CWE-ID: CWE-385

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Dell

Affected software:
RSA BSAFE Micro Edition Suite

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.

Install updates from vendor's website.

• http://seclists.org/fulldisclosure/2018/Aug/46
• https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html