Vulnerability · Published Feb 20, 2024 · Assigned by talos

CVE-2023-45318

Critical 10.0

In plain English

A critical-severity heap buffer overflow in Gecko Platform from Silicon Labs. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 78% of all known vulnerabilities).

Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)1.7%top 22.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Silicon Labs Gecko Platform Silicon Labs Gecko Platform 4.3.2.0
Weston Embedded uC-HTTP git commit 80d4004

Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References