D-Link DIR-2640 CGI Request prog.cgi stack-based overflow

Summaryinfo

A vulnerability was found in D-Link DIR-2640. It has been rated as critical. Affected is an unknown function of the file prog.cgi of the component CGI Request Handler. The manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2023-32149. The attack needs to be initiated within the local network. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in D-Link DIR-2640 (Router Operating System) (version unknown). It has been rated as critical. This issue affects an unknown function of the file prog.cgi of the component CGI Request Handler. 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. The summary by CVE is:

D-Link DIR-2640 prog.cgi Request Handling Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-2640 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web management interface, which listens on TCP port 80 by default. 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-19546.

The weakness was published 05/05/2023. It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2023-32149 since 05/03/2023. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/18/2024).

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Router Operating System

Vendor

• D-Link

Name

• DIR-2640

License

• commercial

Website

• Vendor: https://www.dlink.com/

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CPE 2.2info

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Entryinfo

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