# CVE-2016-4307: Denial of service in Internet Security

> A local attacker can cause a system denial of service by triggering an access violation in the Kaspersky KL1 kernel driver via a crafted IOCTL signal.

- **Severity:** Medium 5.5 (`CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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:** 6 Jan 2017
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-278p-2ghg-cvch

## What is CVE-2016-4307?

CVE-2016-4307 is a medium-severity denial of service vulnerability in Kaspersky Internet Security, published on 6 Jan 2017. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A denial of service vulnerability exists in the IOCTL handling functionality of Kaspersky Internet Security KL1 driver. A specially crafted IOCTL signal can cause an access violation in KL1 kernel driver resulting in local system denial of service. An attacker can run a program from user-mode to trigger this vulnerability.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2016-4307?

It affects 1 product.


Products: Kaspersky Internet Security.

## How do I fix CVE-2016-4307?

No fix has been published for CVE-2016-4307 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-4307 being exploited?

There is no known exploitation of CVE-2016-4307 in the wild and no public exploit code.

## Other vulnerabilities in Kaspersky Internet Security

- [CVE-2017-12816](https://insights.sbomify.com/CVE-2017-12816/): Missing authorization in Kaspersky Lab Kaspersky Internet Security for Android 11.12.4.1622 (critical 9.8)
- [CVE-2017-12817](https://insights.sbomify.com/CVE-2017-12817/): Information disclosure in Kaspersky Lab Kaspersky Internet Security for Android 11.12.4.1622 (high 7.5)
- [CVE-2021-26718](https://insights.sbomify.com/CVE-2021-26718/): Security feature bypass in Kaspersky Internet Security for Mac (medium 5.5)
- [CVE-2016-4304](https://insights.sbomify.com/CVE-2016-4304/): Denial of service in Internet Security (medium 5.5)
- [CVE-2016-4305](https://insights.sbomify.com/CVE-2016-4305/): Denial of service in Internet Security (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-4307 and fix it if it is affected.

What it is: CVE-2016-4307 is a medium-severity denial of service vulnerability in Kaspersky Internet Security, published on 6 Jan 2017. 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-2016-4307 in the wild and no public exploit code.

Affected product: Kaspersky Internet Security. 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-2016-4307/ (Markdown: https://insights.sbomify.com/CVE-2016-4307/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-4307
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-4307
- OSV: https://osv.dev/vulnerability/CVE-2016-4307

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From sbomify Insights: https://insights.sbomify.com/CVE-2016-4307/
Summaries are generated and may contain mistakes; the official description above is the record.