SB2024121607 - Multiple vulnerabilities in SHARP routers for SoftBank

Description

This security bulletin contains information about 2 vulnerabilities.

1) Active Debug Code (CVE-ID: CVE-2024-46873)

CWE-ID: CWE-489 - Active Debug Code

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:U/U:Amber

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

The vulnerability exists due to the hidden debug function is enabled. A remote attacker can execute arbitrary commands on the system.

2) Exposure of Sensitive System Information to an Unauthorized Control Sphere (CVE-ID: CVE-2024-52321)

CWE-ID: CWE-497 - Exposure of Sensitive System Information to an Unauthorized Control Sphere

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

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to improper authentication in the configuration backup function. A remote attacker can gain unauthorized access to sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://jvn.jp/en/jp/JVN61635834/index.html
• https://k-tai.sharp.co.jp/support/info/info083.html
• https://www.softbank.jp/mobile/info/personal/software/20241205-01/