Byzoro Smart S85F Management Platform up to 20230820 /sysmanage/updateos.php 1_file_upload unrestricted upload

Summaryinfo

A vulnerability described as critical has been identified in Byzoro Smart S85F Management Platform up to 20230820. Impacted is an unknown function of the file /sysmanage/updateos.php. Such manipulation of the argument 1_file_upload leads to unrestricted upload. This vulnerability is listed as CVE-2023-4739. The attack may be performed from remote. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Byzoro Smart S85F Management Platform up to 20230820. Affected by this issue is an unknown code block of the file /sysmanage/updateos.php. The manipulation of the argument 1_file_upload with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability.

The weakness was presented 09/03/2023. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-4739. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1608.002.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:sysmanage/updateos.php it is possible to find vulnerable targets with Google Hacking.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Byzoro

Name

• Smart S85F Management Platform

Version

• 20230820

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Submitinfo

Accepted

• Submit #197572: A file upload vulnerability exists on the Smart S85F management platform (by Peanu11)

Duplicate

• Submit #XXXXXX: Xxxxx Xxxxxxxx Xxxxx Xxxx Xxxxx-xxxxxxx Xxxxxxxx Xxxxxxx Xxxxxxxxxxx Xxxxxxxxxx Xxxxxxxx Xxx X Xxxx Xxxxxx Xxxxxxxxxxxxx (by llixixioo)

Once again VulDB remains the best source for vulnerability data.

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