# CVE-2024-7439: Vivotek CC8160 httpd read stack-based overflow

> Remote attackers can trigger a stack-based buffer overflow in the httpd service of unsupported Vivotek cameras, potentially leading to code execution or denial of service.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 3 Aug 2024
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-6hm4-mg77-jxqp

## What is CVE-2024-7439?

CVE-2024-7439 is a high-severity memory corruption vulnerability in Vivotek CC8160, published on 3 Aug 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in Vivotek CC8160 VVTK-0100d and classified as critical. Affected by this issue is the function read of the component httpd. The manipulation of the argument Content-Length leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-273524. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed that the affected release tree is end-of-life.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer), CWE-121 (Stack-based Buffer Overflow)

## Which versions are affected by CVE-2024-7439?

It affects 1 product.


Products: Vivotek Cc8160 Firmware.

## How do I fix CVE-2024-7439?

No fix has been published for CVE-2024-7439 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-7439 being exploited?

There is no known exploitation of CVE-2024-7439 in the wild and no public exploit code.

## Other vulnerabilities in Vivotek CC8160

- [CVE-2024-7440](https://insights.sbomify.com/CVE-2024-7440/): Vivotek CC8160 upload_file.cgi getenv command injection (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-7439 and fix it if it is affected.

What it is: CVE-2024-7439 is a high-severity memory corruption vulnerability in Vivotek CC8160, published on 3 Aug 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-7439 in the wild and no public exploit code.

Affected product: Vivotek CC8160. 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-2024-7439/ (Markdown: https://insights.sbomify.com/CVE-2024-7439/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-7439
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-7439
- OSV: https://osv.dev/vulnerability/CVE-2024-7439

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-7439/
Summaries are generated and may contain mistakes; the official description above is the record.