🛡️ CVE-2023-45318 — gecko-software-development-kit

🔴 CVSS 10.0 — Critical ⚠️ Exploit Public CWE-122 NVD
10.0
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2023-45318 is classified as CWE-122: Heap-based Buffer Overflow. A write past the end of a heap allocation corrupts allocator metadata or neighbouring objects.

Affected software

CVE-2023-45318 is recorded against 2 packages.

  • gecko-software-development-kit
  • uc-http

Timeline and source

Published on 20 February 2024 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

talosintelligence.com
talosintelligence.com
www.talosintelligence.com

Details

Severity CRITICAL
CVSS Score 10.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-122
Public Exploit ⚠️ Yes
Source NVD
Published 2024-02-20
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
gecko-software-development-kit — —
uc-http — —

Similar Threats

Exploit Protection

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CVE-2023-45318 carries CVSS 10.0 Critical rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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