# CVE-2019-3888: Credential exposure through log files in Undertow

> Attackers can read plain text credentials from log files due to excessive logging of HTTP exchange objects in the Undertow web server.

- **Severity:** Medium 5.3 (`CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 12 Jun 2019
- **Updated:** 4 Aug 2024
- **Also known as:** DEBIAN-CVE-2019-3888, GHSA-jwgx-9mmh-684w, UBUNTU-CVE-2019-3888

## What is CVE-2019-3888?

CVE-2019-3888 is a medium-severity vulnerability in Netapp Active Iq Unified Manager, published on 12 Jun 2019. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in Undertow web server before 2.0.21. An information exposure of plain text credentials through log files because Connectors.executeRootHandler:402 logs the HttpServerExchange object at ERROR level using UndertowLogger.REQUEST_LOGGER.undertowRequestFailed(t, exchange)

Weakness: CWE-532 (Insertion of Sensitive Information into Log File)

## Which versions are affected by CVE-2019-3888?

2 open source packages ship an affected version, including io.undertow:undertow-core. It affects 6 products.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `io.undertow:undertow-core` | Maven | All versions | 2.0.21 |
| `io.undertow:undertow-core` | Maven | All versions | 2.0.21 |

Products: Netapp Active Iq Unified Manager, Redhat Jboss Data Grid, Redhat Openshift Application Runtimes, Redhat Undertow, Redhat Virtualization, Redhat Virtualization Host.

## How do I fix CVE-2019-3888?

Upgrade io.undertow:undertow-core to 2.0.21 or later.

## Is CVE-2019-3888 being exploited?

There is no known exploitation of CVE-2019-3888 in the wild and no public exploit code.

## Other vulnerabilities in Netapp Active Iq Unified Manager

- [CVE-2022-31692](https://insights.sbomify.com/CVE-2022-31692/): Spring Security authorization rules can be bypassed via forward or include dispatcher types (critical 9.8)
- [CVE-2022-2526](https://insights.sbomify.com/CVE-2022-2526/): Use after free in systemd-resolved (critical 9.8)
- [CVE-2022-22978](https://insights.sbomify.com/CVE-2022-22978/): Authorization bypass in Spring Security (critical 9.8)
- [CVE-2021-22931](https://insights.sbomify.com/CVE-2021-22931/): Code injection in Node (critical 9.8)
- [CVE-2018-2938](https://insights.sbomify.com/CVE-2018-2938/): Code injection in Java (critical 9.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-3888 and fix it if it is affected.

What it is: CVE-2019-3888 is a medium-severity vulnerability in Netapp Active Iq Unified Manager, published on 12 Jun 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-3888 in the wild and no public exploit code.

Affected packages and fixed versions:
- io.undertow:undertow-core (Maven): affected all versions; fixed in 2.0.21
- io.undertow:undertow-core (Maven): affected all versions; fixed in 2.0.21

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-2019-3888/ (Markdown: https://insights.sbomify.com/CVE-2019-3888/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-3888
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-3888
- OSV: https://osv.dev/vulnerability/CVE-2019-3888

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-3888/
Summaries are generated and may contain mistakes; the official description above is the record.