SB2022080306 - Path traversal in HPE B-series Fibre Channel SAN Switch Brocade Fabric OS (FOS)



SB2022080306 - Path traversal in HPE B-series Fibre Channel SAN Switch Brocade Fabric OS (FOS)

Published: August 3, 2022

Security Bulletin ID SB2022080306
Severity
Low
Patch available
NO
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) Path traversal (CVE-ID: CVE-2021-27798)

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A local user with “user” or “factory” privileges can list the entirety of the filesystem utilizing the “more” binary and tab-completion.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.