# CVE-2018-25059: pastebinit server.go pasteHandler path traversal

> An attacker can exploit a path traversal vulnerability in the pastebinit server to read arbitrary files from the system.

- **Severity:** Low 3.5 (`CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 30 Dec 2022
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-cwh7-28vg-jmpr, GO-2022-1212

## What is CVE-2018-25059?

CVE-2018-25059 is a low-severity path traversal vulnerability in pastebinit, published on 30 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was found in pastebinit up to 0.2.2 and classified as problematic. Affected by this issue is the function pasteHandler of the file server.go. The manipulation of the argument r.URL.Path leads to path traversal. Upgrading to version 0.2.3 is able to address this issue. The name of the patch is 1af2facb6d95976c532b7f8f82747d454a092272. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-217040.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2018-25059?

3 open source packages ship an affected version, including github.com/jessfraz/pastebinit. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `github.com/jessfraz/pastebinit` | Go | All versions | 0.2.3 |
| `github.com/jessfraz/pastebinit` | Go | All versions | 0.2.3 |
| `github.com/jessfraz/pastebinit` | Go | All versions | 0.2.3 |

Products: Pastebinit Project Pastebinit.

## How do I fix CVE-2018-25059?

Upgrade github.com/jessfraz/pastebinit to 0.2.3 or later.

## Is CVE-2018-25059 being exploited?

There is no known exploitation of CVE-2018-25059 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-25059 and fix it if it is affected.

What it is: CVE-2018-25059 is a low-severity path traversal vulnerability in pastebinit, published on 30 Dec 2022. 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-2018-25059 in the wild and no public exploit code.

Affected packages and fixed versions:
- github.com/jessfraz/pastebinit (Go): affected all versions; fixed in 0.2.3
- github.com/jessfraz/pastebinit (Go): affected all versions; fixed in 0.2.3
- github.com/jessfraz/pastebinit (Go): affected all versions; fixed in 0.2.3

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-2018-25059/ (Markdown: https://insights.sbomify.com/CVE-2018-25059/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-25059
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-25059
- OSV: https://osv.dev/vulnerability/CVE-2018-25059

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-25059/
Summaries are generated and may contain mistakes; the official description above is the record.