# CVE-2024-41918: Missing authorization in 'Rakuten Ichiba App' for Android

> Attackers can redirect users to malicious sites via custom URL schemes, enabling phishing attacks on Rakuten Ichiba mobile app users.

- **Severity:** Low 3.1 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/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:** 29 Aug 2024
- **Updated:** 29 Aug 2024
- **Also known as:** GHSA-jfp9-mpfm-8qc7

## What is CVE-2024-41918?

CVE-2024-41918 is a low-severity missing authorization vulnerability in 'Rakuten Ichiba App' for Android, published on 29 Aug 2024. 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

'Rakuten Ichiba App' for Android 12.4.0 and earlier and 'Rakuten Ichiba App' for iOS 11.7.0 and earlier are vulnerable to improper authorization in handler for custom URL scheme. An arbitrary site may be displayed on the WebView of the product via Intent from another application installed on the user's device. As a result, the user may be redirected to an unauthorized site, and the user may become a victim of a phishing attack.

Weakness: CWE-862 (Missing Authorization), CWE-939 (Improper Authorization in Handler for Custom URL Scheme)

## Which versions are affected by CVE-2024-41918?

It affects 1 product.


Products: Rakuten Ichiba.

## How do I fix CVE-2024-41918?

No fix has been published for CVE-2024-41918 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-41918 being exploited?

There is no known exploitation of CVE-2024-41918 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-41918 and fix it if it is affected.

What it is: CVE-2024-41918 is a low-severity missing authorization vulnerability in 'Rakuten Ichiba App' for Android, published on 29 Aug 2024. 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-2024-41918 in the wild and no public exploit code.

Affected product: 'Rakuten Ichiba App' 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-2024-41918/ (Markdown: https://insights.sbomify.com/CVE-2024-41918/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-41918
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-41918
- OSV: https://osv.dev/vulnerability/CVE-2024-41918

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-41918/
Summaries are generated and may contain mistakes; the official description above is the record.