SB2018083110 - Multiple vulnerabilities in RSA BSAFE Micro Edition Suite



SB2018083110 - Multiple vulnerabilities in RSA BSAFE Micro Edition Suite

Published: August 31, 2018 Updated: October 1, 2019

Security Bulletin ID SB2018083110
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Covert Timing Channel (CVE-ID: CVE-2018-11057)

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.

2) Heap Inspection (CVE-ID: CVE-2018-11055)

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

The vulnerability exists due to the decoded PKCS #12 data in heap memory is not zeroized by MES before releasing the memory internally. A local authenticated user can gain access to the unauthorized data.

Remediation

Install update from vendor's website.