# CVE-2019-1487: Information disclosure in Microsoft Authentication Library (MSAL) for Android

> An attacker can access sensitive information from Android apps using the Microsoft Authentication Library under specific conditions.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/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:** No
- **Published:** 10 Dec 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-v223-v69f-prp5

## What is CVE-2019-1487?

CVE-2019-1487 is a medium-severity vulnerability in Microsoft Authentication Library (MSAL) for Android, published on 10 Dec 2019. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

An information disclosure vulnerability in Android Apps using Microsoft Authentication Library (MSAL) 0.3.1-Alpha or later exists under specific conditions, aka 'Microsoft Authentication Library for Android Information Disclosure Vulnerability'.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2019-1487?

It affects 1 product.


Products: Microsoft Authentication Library.

## How do I fix CVE-2019-1487?

No fix has been published for CVE-2019-1487 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-1487 being exploited?

There is no known exploitation of CVE-2019-1487 in the wild and no public exploit code.

## Other vulnerabilities in Microsoft Authentication Library (MSAL) for Android

- [CVE-2024-35255](https://insights.sbomify.com/CVE-2024-35255/): Azure Identity Libraries and Microsoft Authentication Library Elevation of Privilege Vulnerability (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-1487 and fix it if it is affected.

What it is: CVE-2019-1487 is a medium-severity vulnerability in Microsoft Authentication Library (MSAL) for Android, published on 10 Dec 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-2019-1487 in the wild and no public exploit code.

Affected product: Microsoft Authentication Library (MSAL) for Android. 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-2019-1487/ (Markdown: https://insights.sbomify.com/CVE-2019-1487/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-1487
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-1487
- OSV: https://osv.dev/vulnerability/CVE-2019-1487

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-1487/
Summaries are generated and may contain mistakes; the official description above is the record.