CVE-2023-45318: uc-http Heap Overflow — Exploit

Description

A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.

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CVSS v3.1 Score

10.0

CRITICAL

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

Weakness Type (CWE)

CWE-122 CWE-122

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
silabs	gecko_software_development_kit	All
weston-embedded	uc-http	All

References

Exploits

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843 https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843

Other References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1843

Frequently Asked Questions

What is CVE-2023-45318? +

A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability. It has a CVSS v3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2023-45318? +

CVE-2023-45318 has a CVSS v3.1 score of 10.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2023-45318? +

CVE-2023-45318 affects products from silabs, weston-embedded, specifically: gecko_software_development_kit, uc-http. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-45318? +

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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CVE-2023-45318