# CVE-2022-25949: Memory corruption in KINGSOFT Internet Security 9 Plus

> A stack-based buffer overflow in the KINGSOFT Internet Security kernel driver allows attackers to execute arbitrary code with elevated privileges.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Mar 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-vppj-cqx2-c837

## What is CVE-2022-25949?

CVE-2022-25949 is a high-severity memory corruption vulnerability in KINGSOFT Internet Security 9 Plus, published on 17 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

The kernel mode driver kwatch3 of KINGSOFT Internet Security 9 Plus Version 2010.06.23.247 fails to properly handle crafted inputs, leading to stack-based buffer overflow.

Weakness: CWE-787 (Out-of-bounds Write), CWE-121 (Stack-based Buffer Overflow)

## Which versions are affected by CVE-2022-25949?

It affects 1 product.


Products: Kingsoft Internet Security 9 Plus.

## How do I fix CVE-2022-25949?

No fix has been published for CVE-2022-25949 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-25949 being exploited?

There is no known exploitation of CVE-2022-25949 in the wild and no public exploit code.

Public exploit code:

- A years-old exploit of a local EoP vulnerability in Kingsoft Antivirus KWatch Driver version 2009.3.17.77. (github_poc): https://github.com/tandasat/CVE-2022-25949

## Other vulnerabilities in KINGSOFT Internet Security 9 Plus

- [CVE-2018-9151](https://insights.sbomify.com/CVE-2018-9151/): Null dereference in n/a (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-25949 and fix it if it is affected.

What it is: CVE-2022-25949 is a high-severity memory corruption vulnerability in KINGSOFT Internet Security 9 Plus, published on 17 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-25949 in the wild and no public exploit code.

Affected product: KINGSOFT Internet Security 9 Plus. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2022-25949/ (Markdown: https://insights.sbomify.com/CVE-2022-25949/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-25949
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-25949
- OSV: https://osv.dev/vulnerability/CVE-2022-25949

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-25949/
Summaries are generated and may contain mistakes; the official description above is the record.