Milesight UR32L 32.3.0.5 HTTP Request vtysh_ubus set_l2tp remote_mask stack-based overflow

Summaryinfo

A vulnerability was found in Milesight UR32L 32.3.0.5. It has been rated as critical. This issue affects the function set_l2tp of the file vtysh_ubus of the component HTTP Request Handler. This manipulation of the argument remote_mask causes stack-based overflow. The identification of this vulnerability is CVE-2023-25112. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability has been found in Milesight UR32L 32.3.0.5 and classified as critical. Affected by this vulnerability is the function set_l2tp of the file vtysh_ubus of the component HTTP Request Handler. The manipulation of the argument remote_mask with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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_l2tp function with the remote_subnet and the remote_mask variables.

The weakness was shared 07/06/2023 as TALOS-2023-1716. The advisory is shared at talosintelligence.com. This vulnerability is known as CVE-2023-25112 since 02/02/2023. Technical details and also a public exploit are known.

It is possible to download the exploit 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 the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Milesight

Name

• UR32L

Version

• 32.3.0.5

License

• commercial

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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Entryinfo

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