# CVE-2024-0882: qwdigital LinkWechat Universal Download Interface resource path traversal

> Remote attackers can read arbitrary files via path traversal in the download interface, posing a data disclosure risk for LinkWechat users.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/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:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 25 Jan 2024
- **Updated:** 5 Sep 2024
- **Also known as:** GHSA-h7j4-hjmc-gj46

## What is CVE-2024-0882?

CVE-2024-0882 is a medium-severity path traversal vulnerability in qwdigital LinkWechat, published on 25 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in qwdigital LinkWechat 5.1.0. It has been classified as problematic. This affects an unknown part of the file /linkwechat-api/common/download/resource of the component Universal Download Interface. The manipulation of the argument name with the input /profile/../../../../../etc/passwd leads to path traversal: '../filedir'. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-252033 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory), CWE-24 (Path Traversal: '../filedir')

## Which versions are affected by CVE-2024-0882?

It affects 1 product.


Products: Linkwechat Linkwechat.

## How do I fix CVE-2024-0882?

No fix has been published for CVE-2024-0882 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-0882 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-0882 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-0882 and fix it if it is affected.

What it is: CVE-2024-0882 is a medium-severity path traversal vulnerability in qwdigital LinkWechat, published on 25 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-0882 exists.

Affected product: qwdigital LinkWechat. 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-2024-0882/ (Markdown: https://insights.sbomify.com/CVE-2024-0882/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-0882
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-0882
- OSV: https://osv.dev/vulnerability/CVE-2024-0882

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-0882/
Summaries are generated and may contain mistakes; the official description above is the record.
