Denial of service in Dell RSA BSAFE Micro Edition Suite

1) Improper input validation

EUVDB-ID: #VU15916

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15769

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition.

The vulnerability exists due to improper management of keys when an Ephemeral or Anonymous Diffie-Hellman (DHE or ADH) cipher suite is used A remote attacker with access to a Transport Layer Security (TLS) server can send a very large prime value to a targeted TLS client and cause the service to crash.

Mitigation

The vulnerability has been fixed in the version 4.0.11, 4.1.6.2.

Vulnerable software versions

RSA BSAFE Micro Edition Suite: 4.0.0 - 4.1.6

External links

http://seclists.org/fulldisclosure/2018/Nov/37

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.