# CVE-2019-3692: Local privilege escalation from user news to root in the packaging of inn

> Local attackers can escalate privileges from user inn to root via symlink attacks in the inn package on SUSE Linux.

- **Severity:** High 7.7 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 24 Jan 2020
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-666m-88c3-537x, openSUSE-SU-2020:0234-1, openSUSE-SU-2020:0242-1, openSUSE-SU-2024:10862-1

## What is CVE-2019-3692?

CVE-2019-3692 is a high-severity vulnerability in Opensuse Backports Sle, published on 24 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

The packaging of inn on SUSE Linux Enterprise Server 11; openSUSE Factory, Leap 15.1 allows local attackers to escalate from user inn to root via symlink attacks. This issue affects: SUSE Linux Enterprise Server 11 inn version 2.4.2-170.21.3.1 and prior versions. openSUSE Factory inn version 2.6.2-2.2 and prior versions. openSUSE Leap 15.1 inn version 2.5.4-lp151.2.47 and prior versions.

Weakness: CWE-59 (Improper Link Resolution Before File Access)

## Which versions are affected by CVE-2019-3692?

It affects 3 products.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `inn` | SUSE:Package Hub 15 SP1 | All versions | 2.5.4-bp151.4.3.1 |
| `inn` | openSUSE:Leap 15.1 | All versions | 2.5.4-lp151.3.3.1 |
| `inn` | openSUSE:Tumbleweed | All versions | 2.6.3-4.2 |

Products: Opensuse Backports Sle, Opensuse Leap, Suse Inn.

## How do I fix CVE-2019-3692?

Apply the vendor's patch.

## Is CVE-2019-3692 being exploited?

There is no known exploitation of CVE-2019-3692 in the wild and no public exploit code.

## Other vulnerabilities in Opensuse Backports Sle

- [CVE-2020-12641](https://insights.sbomify.com/CVE-2020-12641/): Roundcube Webmail Remote Code Execution (critical 9.8, exploited in the wild)
- [CVE-2020-12640](https://insights.sbomify.com/CVE-2020-12640/): Path traversal in n/a (critical 9.8)
- [CVE-2020-8233](https://insights.sbomify.com/CVE-2020-8233/): Command injection in EdgeSwitch firmware v1.9.0 and prior (high 8.8)
- [CVE-2020-8026](https://insights.sbomify.com/CVE-2020-8026/): inn: non-root owned files (high 8.4)
- [CVE-2020-15229](https://insights.sbomify.com/CVE-2020-15229/): Path traversal and files overwrite with unsquashfs (high 8.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-3692 and fix it if it is affected.

What it is: CVE-2019-3692 is a high-severity vulnerability in Opensuse Backports Sle, published on 24 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-3692 in the wild and no public exploit code.

Affected product: Opensuse Backports Sle. 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-2019-3692/ (Markdown: https://insights.sbomify.com/CVE-2019-3692/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-3692
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-3692
- OSV: https://osv.dev/vulnerability/CVE-2019-3692

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-3692/
Summaries are generated and may contain mistakes; the official description above is the record.