# CVE-2019-18601: Denial of service in n/a

> Remote attackers can crash the OpenAFS database server by sending specific RPC calls, causing a denial of service.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 29 Oct 2019
- **Updated:** 5 Aug 2024
- **Also known as:** DEBIAN-CVE-2019-18601, GHSA-m28x-w8m6-pc3f, UBUNTU-CVE-2019-18601

## What is CVE-2019-18601?

CVE-2019-18601 is a high-severity denial of service vulnerability in n/a, published on 29 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

OpenAFS before 1.6.24 and 1.8.x before 1.8.5 is prone to denial of service from unserialized data access because remote attackers can make a series of VOTE_Debug RPC calls to crash a database server within the SVOTE_Debug RPC handler.

Weakness: CWE-502 (Deserialization of Untrusted Data)

## Which versions are affected by CVE-2019-18601?

It affects 1 product.


Products: Openafs Openafs.

## How do I fix CVE-2019-18601?

Upgrade to a fixed version.

## Is CVE-2019-18601 being exploited?

There is no known exploitation of CVE-2019-18601 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2009-1251](https://insights.sbomify.com/CVE-2009-1251/): Memory corruption in n/a (critical 10.0)
- [CVE-2024-10394](https://insights.sbomify.com/CVE-2024-10394/): Theft of credentials in Unix client PAGs (high 8.4)
- [CVE-2024-10397](https://insights.sbomify.com/CVE-2024-10397/): Preallocated buffer overflows in XDR responses (high 7.7)
- [CVE-2011-0430](https://insights.sbomify.com/CVE-2011-0430/): Use after free in n/a (high 7.5)
- [CVE-2007-1507](https://insights.sbomify.com/CVE-2007-1507/): Privilege escalation in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-18601 and fix it if it is affected.

What it is: CVE-2019-18601 is a high-severity denial of service vulnerability in n/a, published on 29 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-18601 in the wild and no public exploit code.

Affected product: n/a. 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-2019-18601/ (Markdown: https://insights.sbomify.com/CVE-2019-18601/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-18601
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-18601
- OSV: https://osv.dev/vulnerability/CVE-2019-18601

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-18601/
Summaries are generated and may contain mistakes; the official description above is the record.