SyroTech SY-GPON-1110-WDONT 3.1.02-231102 Serial Interface on-chip debug and test interface with improper access control

Summaryinfo

A vulnerability described as critical has been identified in SyroTech SY-GPON-1110-WDONT 3.1.02-231102. Affected is an unknown function of the component Serial Interface. Such manipulation leads to on-chip debug and test interface with improper access control. This vulnerability is referenced as CVE-2024-41692. The attack can be executed directly on the physical device. No exploit is available.

Detailsinfo

A vulnerability was found in SyroTech SY-GPON-1110-WDONT 3.1.02-231102 and classified as critical. Affected by this issue is an unknown code block of the component Serial Interface. The manipulation with an unknown input leads to a on-chip debug and test interface with improper access control vulnerability. Using CWE to declare the problem leads to CWE-1191. The chip does not implement or does not correctly perform access control to check whether users are authorized to access internal registers and test modes through the physical debug/test interface. Impacted is confidentiality, integrity, and availability. CVE summarizes:

This vulnerability exists in SyroTech SY-GPON-1110-WDONT Router due to presence of root terminal access on a serial interface without proper access control. An attacker with physical access could exploit this by accessing the root shell on the vulnerable system. Successful exploitation of this vulnerability could allow the attacker to execute arbitrary commands with root privileges on the targeted system.

The weakness was published by Shravan Singh, Rahul Giri and Karan Patel as CIVN-2024-0225. The advisory is shared for download at cert-in.org.in. This vulnerability is handled as CVE-2024-41692 since 07/19/2024. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• SyroTech

Name

• SY-GPON-1110-WDONT

Version

• 3.1.02-231102

CPE 2.3info

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CPE 2.2info

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