SB2023012042 - Multiple vulnerabilities in CommScope Ruckus products

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2020-22653)

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber

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

The vulnerability exists due to improper verification of cryptographic signature. A remote attacker can exploit the official image signature to force injection unauthorized image signature.

2) Download of code without integrity check (CVE-ID: CVE-2020-22658)

CWE-ID: CWE-494 - Download of Code Without Integrity Check

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber

The vulnerability allows a remote attacker to compromise the affected system

The vulnerability exists due to software does not perform software integrity check when downloading updates. A remote attacker can switch completely to unauthorized image to be Boot as primary verified image.

Remediation

Install update from vendor's website.

References

• https://hdhrmi.blogspot.com/2020/03/multiple-vulnerabilities-in-ruckus.html?m=1
• https://support.ruckuswireless.com/security_bulletins/302