CVE-2023-38562: uc-tcp-ip Double Free — Exploit

Description

A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted set of network packets can lead to memory corruption, potentially resulting in code execution. An attacker can send a sequence of unauthenticated packets to trigger this vulnerability.

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CVSS v3.1 Score

8.7

HIGH

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

Weakness Type (CWE)

CWE-415 CWE-415

Affected Products

Vendor	Product	Versions
weston-embedded	uc-tcp-ip	All

References

Exploits

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829 https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829

Other References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1829

Frequently Asked Questions

What is CVE-2023-38562? +

A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted set of network packets can lead to memory corruption, potentially resulting in code execution. An attacker can send a sequence of unauthenticated packets to trigger this vulnerability. It has a CVSS v3.1 base score of 8.7 (HIGH).

How severe is CVE-2023-38562? +

CVE-2023-38562 has a CVSS v3.1 score of 8.7 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-38562? +

CVE-2023-38562 affects products from weston-embedded, specifically: uc-tcp-ip. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-38562? +

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-2023-38562