SB2020121421 - Use of a broken or risky cryptographic algorithm in openssh (Alpine package)



SB2020121421 - Use of a broken or risky cryptographic algorithm in openssh (Alpine package)

Published: December 14, 2020

Security Bulletin ID SB2020121421
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use of a broken or risky cryptographic algorithm (CVE-ID: CVE-2020-14145)

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists in openssh client during algorithm negotiation due to observable discrepancy. A remote attacker can perform a Man-in-the-Middle (MitM) attack.


Remediation

Install update from vendor's website.