SB2022101435 - Multiple vulnerabilities in Dell EMC PowerFlex rack

Security Bulletin ID SB2022101435

Severity

High

Patch available

YES

Number of vulnerabilities 2

Exploitation vector Remote access

Highest impact Code execution

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Files or directories accessible to external parties (CVE-ID: CVE-2021-1361)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to the service at port 9075/tcp is incorrectly configured to listen and respond to external connection requests. A remote non-authenticated attacker can send specially crafted packets to port 9075/tcp and create, delete, or overwrite arbitrary files on the system with root privileges.

Successful exploitation of the vulnerability may results in a complete compromise of the affected system.

2) Improper Authentication (CVE-ID: CVE-2021-21994)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests in SFCB (Small Footprint CIM Broker). A remote attacker can send specially crafted requests to port 5989/tcp, bypass SFCB authentication and gain unauthorized access to the system.

Remediation

Install update from vendor's website.

References

https://www.dell.com/support/kbdoc/en-us/000192692/dsa-2021-219-dell-emc-powerflex-rack-security-update-for-a-cisco-nexus-switch-vulnerability