CVE-2023-28753

CRITICAL

netconsd < 0.2 - Heap Memory Corruption via Integer Overflow in parse_packet

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-28753. PoCs published by pingjuiliao.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2023-28753, demonstrating an integer overflow vulnerability in the netconsole frag offset handling, leading to heap memory corruption. The exploit crafts a malicious message with a negative offset to trigger the overflow and corrupt heap metadata.

Description

netconsd prior to v0.2 was vulnerable to an integer overflow in its parse_packet function. A malicious individual could leverage this overflow to create heap memory corruption with attacker controlled data.

Exploits (1)

nomisec WORKING POC
by pingjuiliao · poc
https://github.com/pingjuiliao/CVE-2023-28753

This repository contains a functional exploit for CVE-2023-28753, demonstrating an integer overflow vulnerability in the netconsole frag offset handling, leading to heap memory corruption. The exploit crafts a malicious message with a negative offset to trigger the overflow and corrupt heap metadata.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: netconsd (ncrx library)
No auth needed
Prerequisites: Network access to the vulnerable netconsd service · Ability to send crafted UDP packets to the target
devstral-2 · analyzed Feb 19, 2026 Full analysis →

Scores

CVSS v3 9.8
EPSS 0.0185
EPSS Percentile 76.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-787
Status published
Products (1)
facebook/netconsd 0.1
Published May 18, 2023
Tracked Since Feb 18, 2026