#VU21467 Covert Timing Channel in RSA BSAFE Micro Edition Suite


Published: 2019-10-01

Vulnerability identifier: #VU21467

Vulnerability risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-11057

CWE-ID: CWE-385

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
RSA BSAFE Micro Edition Suite
Client/Desktop applications / Other client software

Vendor: Dell

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RSA BSAFE Micro Edition Suite: 4.0.0 - 4.1.6


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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability