CVE-2024-21778: wbr-6013 Heap Overflow (CVSS 7.2)

Description

A heap-based buffer overflow vulnerability exists in the configuration file mib_init_value_array functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted .dat file can lead to arbitrary code execution. An attacker can upload a malicious file to trigger this vulnerability.

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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-122 CWE-122

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

Other References

https://talosintelligence.com/vulnerability_reports/TALOS-2024-1911 https://talosintelligence.com/vulnerability_reports/TALOS-2024-1911 https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-1911

Frequently Asked Questions

What is CVE-2024-21778? +

A heap-based buffer overflow vulnerability exists in the configuration file mib_init_value_array functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted .dat file can lead to arbitrary code execution. An attacker can upload a malicious file to trigger this vulnerability. It has a CVSS v3.1 base score of 7.2 (HIGH).

How severe is CVE-2024-21778? +

CVE-2024-21778 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-2024-21778? +

CVE-2024-21778 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-2024-21778? +

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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