Milesight UR32L 32.3.0.5 HTTP Request vtysh_ubus set_dmvpn cisco_secret stack-based overflow

Summaryinfo

A vulnerability classified as critical has been found in Milesight UR32L 32.3.0.5. The impacted element is the function set_dmvpn of the file vtysh_ubus of the component HTTP Request Handler. The manipulation of the argument cisco_secret leads to stack-based overflow. This vulnerability is documented as CVE-2023-25120. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Milesight UR32L 32.3.0.5 and classified as critical. This issue affects the function set_dmvpn of the file vtysh_ubus of the component HTTP Request Handler. The manipulation of the argument cisco_secret with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is 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_dmvpn function with the cisco_secret variable.

The weakness was released 07/06/2023 as TALOS-2023-1716. The advisory is shared at talosintelligence.com. The identification of this vulnerability is CVE-2023-25120 since 02/02/2023. Technical details as well as a public exploit are known.

The exploit is available 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.

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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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