Main Vulnerability Database Vulnerabilities #VU21464

Resource exhaustion in RSA BSAFE Crypto-C and RSA BSAFE Micro Edition Suite - CVE-2018-11056

Published: October 1, 2019

Vulnerability identifier: #VU21464

CSH Severity: Medium

CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-11056

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper parsing of ASN.1 data. A remote authenticated attacker can use a specially constructed ASN.1 data, trigger resource exhaustion and perform a denial of service (DoS) attack.

This vulnerability affects the following versions of RSA BSAFE Crypto-C Micro Edition:

versions prior to 4.0.5.3 (in 4.0.x)

Affected software

RSA BSAFE Crypto-C
RSA BSAFE Micro Edition Suite

How to mitigate CVE-2018-11056

Install updates from vendor's website.

RSA BSAFE Crypto-C - update to 4.0.5.3
RSA BSAFE Micro Edition Suite - update to 4.1.6.1

External References

Related Security Bulletins