SB2019112612 - Weak pseudo-random number generator in NetBSD



SB2019112612 - Weak pseudo-random number generator in NetBSD

Published: November 26, 2019

Security Bulletin ID SB2019112612
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) (CVE-ID: N/A)

The vulnerability allows a local user to predict values of random generator.

The vulnerability exists due to en error in kern.arandom implementation. A local user that can obtain kernel PRNG state used by kern.arandom can predict future outputs of kern.arandom.


Remediation

Install update from vendor's website.