Milesight UR32L 32.3.0.5 HTTP Request vtysh_ubus set_openvpn_client remote_subnet/remote_mask stack-based overflow

Summaryinfo

A vulnerability described as critical has been identified in Milesight UR32L 32.3.0.5. This impacts the function set_openvpn_client of the file vtysh_ubus of the component HTTP Request Handler. The manipulation of the argument remote_subnet/remote_mask results in stack-based overflow. This vulnerability is cataloged as CVE-2023-25124. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Milesight UR32L 32.3.0.5. Affected is the function set_openvpn_client of the file vtysh_ubus of the component HTTP Request Handler. The manipulation of the argument remote_subnet/remote_mask with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_openvpn_client function with the remote_subnet and the remote_mask variables.

The weakness was shared 07/06/2023 as TALOS-2023-1716. The advisory is available at talosintelligence.com. This vulnerability is traded as CVE-2023-25124 since 02/02/2023. Technical details and a public exploit are known.

The exploit is shared for download at talosintelligence.com. It is declared as proof-of-concept.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Milesight

Name

• UR32L

Version

• 32.3.0.5

License

• commercial

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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