# CVE-2019-3777: Apps Manager unverified SSL certs in Cloud Controller proxy

> An attacker can intercept access tokens by hijacking DNS due to unverified SSL certificates in the Cloud Controller proxy, leading to unauthorized resource access.

- **Severity:** High 8.0 (`CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 7 Mar 2019
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-g3g6-cq9j-rcv6

## What is CVE-2019-3777?

CVE-2019-3777 is a high-severity vulnerability in Pivotal Apps Manager, published on 7 Mar 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Pivotal Application Service (PAS), versions 2.2.x prior to 2.2.12, 2.3.x prior to 2.3.7 and 2.4.x prior to 2.4.3, contain apps manager that uses a cloud controller proxy that fails to verify SSL certs. A remote unauthenticated attacker that could hijack the Cloud Controller's DNS record could intercept access tokens sent to the Cloud Controller, giving the attacker access to the user's resources in the Cloud Controller

Weakness: CWE-295 (Improper Certificate Validation)

## Which versions are affected by CVE-2019-3777?

It affects 1 product.


Products: Pivotal Software Application Service.

## How do I fix CVE-2019-3777?

No fix has been published for CVE-2019-3777 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-3777 being exploited?

There is no known exploitation of CVE-2019-3777 in the wild and no public exploit code.

## Other vulnerabilities in Pivotal Apps Manager

- [CVE-2019-3793](https://insights.sbomify.com/CVE-2019-3793/): Invitations Service supports HTTP connections (high 8.1)
- [CVE-2019-11270](https://insights.sbomify.com/CVE-2019-11270/): UAA clients.write vulnerability (high 7.3)
- [CVE-2019-11276](https://insights.sbomify.com/CVE-2019-11276/): Apps Manager sends tokens to Spring apps via HTTP (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-3777 and fix it if it is affected.

What it is: CVE-2019-3777 is a high-severity vulnerability in Pivotal Apps Manager, published on 7 Mar 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2019-3777 in the wild and no public exploit code.

Affected product: Pivotal Apps Manager. 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-2019-3777/ (Markdown: https://insights.sbomify.com/CVE-2019-3777/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-3777
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-3777
- OSV: https://osv.dev/vulnerability/CVE-2019-3777

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-3777/
Summaries are generated and may contain mistakes; the official description above is the record.