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

 

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 v4.0: 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/E:U/U:Green
CVE-ID: CVE-2018-11056
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Dell
Affected software:
RSA BSAFE Crypto-C
RSA BSAFE Micro Edition Suite

Detailed vulnerability description

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)


How to mitigate CVE-2018-11056

Install updates from vendor's website.

Sources