# CVE-2019-13418: Information disclosure in Search Guard

> Search Guard fails to anonymize string array values in documents, potentially exposing sensitive data to unauthorized users.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Aug 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-rjhj-g9m3-v26g

## What is CVE-2019-13418?

CVE-2019-13418 is a high-severity vulnerability in floragunn Search Guard, published on 12 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Search Guard versions before 24.0 had an issue that values of string arrays in documents are not properly anonymized.

Weakness: CWE-129 (Improper Validation of Array Index), CWE-311 (Missing Encryption of Sensitive Data)

## Which versions are affected by CVE-2019-13418?

It affects 1 product.


Products: Search-Guard Search Guard.

## How do I fix CVE-2019-13418?

No fix has been published for CVE-2019-13418 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-13418 being exploited?

There is no known exploitation of CVE-2019-13418 in the wild and no public exploit code.

## Other vulnerabilities in floragunn Search Guard

- [CVE-2019-13423](https://insights.sbomify.com/CVE-2019-13423/): Auth bypass in Search Guard Kibana Plugin (high 8.8)
- [CVE-2019-13419](https://insights.sbomify.com/CVE-2019-13419/): Information disclosure in Search Guard (high 7.5)
- [CVE-2019-13415](https://insights.sbomify.com/CVE-2019-13415/): Search Guard versions before 24.3 had an issue when Cross Cluster Search (CCS) was enabled, authenticated users can gain read access to data (medium 6.5)
- [CVE-2019-13416](https://insights.sbomify.com/CVE-2019-13416/): Missing authorization in Search Guard (medium 6.5)
- [CVE-2019-13422](https://insights.sbomify.com/CVE-2019-13422/): Open redirect in Search Guard Kibana Plugin (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-13418 and fix it if it is affected.

What it is: CVE-2019-13418 is a high-severity vulnerability in floragunn Search Guard, published on 12 Aug 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-2019-13418 in the wild and no public exploit code.

Affected product: floragunn Search Guard. 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-2019-13418/ (Markdown: https://insights.sbomify.com/CVE-2019-13418/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-13418
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-13418
- OSV: https://osv.dev/vulnerability/CVE-2019-13418

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-13418/
Summaries are generated and may contain mistakes; the official description above is the record.