SB2019100114 - Heap inspection in RSA BSAFE Crypto-C Micro Edition



SB2019100114 - Heap inspection in RSA BSAFE Crypto-C Micro Edition

Published: October 1, 2019

Security Bulletin ID SB2019100114
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Heap inspection (CVE-ID: CVE-2019-3733)

CWE-ID: CWE-244 - Improper Clearing of Heap Memory Before Release ('Heap Inspection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

  The vulnerability exists due to using realloc() to resize buffers that store sensitive information can leave the sensitive information exposed to attack, because it is not removed from memory. A remote authenticated attacker can extract information leaving data at risk of exposure.

This vulnerability affects the following versions:
  • RSA BSAFE Crypto-C Micro Edition - versions prior to 4.1.4 (4.0.x and 4.1.x)


Remediation

Install update from vendor's website.