CVE-2023-27882 — CRITICAL (9.0)

Vulnerability Description

A heap-based buffer overflow vulnerability exists in the HTTP Server form boundary functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted network packet can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability.

CVSS Score

9.0

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Silabs	Gecko Software Development Kit	4.3.1
Weston-Embedded	Cesium Net	3.07.01
Weston-Embedded	Uc-Http	3.01.01

Related Weaknesses (CWE)

CWE-122 CWE-787

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1733ExploitTechnical DescriptionThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1733ExploitTechnical DescriptionThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1733

FAQ

What is CVE-2023-27882?

CVE-2023-27882 is a vulnerability with a CVSS score of 9.0 (CRITICAL). A heap-based buffer overflow vulnerability exists in the HTTP Server form boundary functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted network packet can lead to code execution. An ...

How severe is CVE-2023-27882?

CVE-2023-27882 has been rated CRITICAL with a CVSS base score of 9.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-27882?

Check the references section above for vendor advisories and patch information. Affected products include: Silabs Gecko Software Development Kit, Weston-Embedded Cesium Net, Weston-Embedded Uc-Http.