TP-Link TL-WR902AC dm_fillObjByStr stack-based overflow

Summaryinfo

A vulnerability was found in TP-Link TL-WR902AC. It has been declared as critical. This issue affects the function dm_fillObjByStr. Such manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2023-50225. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in TP-Link TL-WR902AC (Router Operating System) (version now known) and classified as critical. Affected by this issue is the function dm_fillObjByStr. The manipulation 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. CVE summarizes:

TP-Link TL-WR902AC dm_fillObjByStr Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR902AC routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the libcmm.so module. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-21819.

The weakness was published 12/19/2023 as ZDI-23-1809. The advisory is available at zerodayinitiative.com. This vulnerability is handled as CVE-2023-50225 since 12/05/2023. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/19/2024).

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

Type

• Router Operating System

Vendor

• TP-Link

Name

• TL-WR902AC

License

• commercial

Website

• Vendor: https://www.tp-link.com/

CPE 2.3info

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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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