CVE-2023-32143: dap-1360 — Fix

Description

D-Link DAP-1360 webupg UPGCGI_CheckAuth Numeric Truncation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1360 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of requests to the /cgi-bin/webupg endpoint. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-18423.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-197 CWE-197

Affected Products

Vendor	Product	Versions
dlink	dap-1360_firmware	< 6.15eub01
dlink	dap-1360	All
dlink	dap-2020_firmware	< 1.03rc004
dlink	dap-2020	All

References

Advisories & Patches

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10324 https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10324

Other References

https://www.zerodayinitiative.com/advisories/ZDI-23-535/ https://www.zerodayinitiative.com/advisories/ZDI-23-535/

Frequently Asked Questions

What is CVE-2023-32143? +

D-Link DAP-1360 webupg UPGCGI_CheckAuth Numeric Truncation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1360 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of requests to the /cgi-bin/webupg endpoint. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-18423. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-32143? +

CVE-2023-32143 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-32143? +

CVE-2023-32143 affects products from dlink, specifically: dap-1360, dap-1360_firmware, dap-2020, dap-2020_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-32143? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.