CVE-2023-50240: wbr-6013 Stack Overflow — Exploit

Description

Two stack-based buffer overflow vulnerabilities exist in the boa set_RadvdInterfaceParam functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger these vulnerabilities.This stack-based buffer overflow is related to the `AdvDefaultPreference` request's parameter.

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CVSS v3.1 Score

7.2

HIGH

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

Weakness Type (CWE)

CWE-121 CWE-121

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
realtek	rtl819x_jungle_software_development_kit	All
level1	wbr-6013_firmware	All
level1	wbr-6013	All

References

Exploits

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1893 https://talosintelligence.com/vulnerability_reports/TALOS-2023-1893

Other References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1893

Frequently Asked Questions

What is CVE-2023-50240? +

Two stack-based buffer overflow vulnerabilities exist in the boa set_RadvdInterfaceParam functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger these vulnerabilities.This stack-based buffer overflow is related to the `AdvDefaultPreference` request's parameter. It has a CVSS v3.1 base score of 7.2 (HIGH).

How severe is CVE-2023-50240? +

CVE-2023-50240 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-50240? +

CVE-2023-50240 affects products from level1, realtek, specifically: rtl819x_jungle_software_development_kit, wbr-6013, wbr-6013_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-50240? +

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.

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