# CVE-2024-11588: AVL-DiTEST-DiagDev libdoip DoIPConnection.cpp reactOnReceivedTcpMessage null pointer dereference

> A null pointer dereference in the libdoip library allows attackers to cause a denial of service via crafted TCP messages.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N`)
- **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:** 21 Nov 2024
- **Updated:** 21 Nov 2024
- **Also known as:** GHSA-rh8w-v72g-cm9w

## What is CVE-2024-11588?

CVE-2024-11588 is a medium-severity vulnerability in AVL-DiTEST-DiagDev libdoip, published on 21 Nov 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was found in AVL-DiTEST-DiagDev libdoip 1.0.0. It has been rated as problematic. This issue affects the function DoIPConnection::reactOnReceivedTcpMessage of the file DoIPConnection.cpp. The manipulation leads to null pointer dereference.

Weakness: CWE-476 (NULL Pointer Dereference), CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2024-11588?

It affects 1 product.


Products: Avlditest Libdoip.

## How do I fix CVE-2024-11588?

No fix has been published for CVE-2024-11588 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-11588 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-11588 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-11588 and fix it if it is affected.

What it is: CVE-2024-11588 is a medium-severity vulnerability in AVL-DiTEST-DiagDev libdoip, published on 21 Nov 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-11588 exists.

Affected product: AVL-DiTEST-DiagDev libdoip. 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-2024-11588/ (Markdown: https://insights.sbomify.com/CVE-2024-11588/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-11588
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-11588
- OSV: https://osv.dev/vulnerability/CVE-2024-11588

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-11588/
Summaries are generated and may contain mistakes; the official description above is the record.