CVE-2023-39507 Missing authorization in "Rikunabi NEXT" App for Android
A malicious intent can bypass authorization in the URL scheme handler, allowing access to arbitrary websites within the Rikunabi NEXT Android app.
- 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
- None listed
What is CVE-2023-39507?
CVE-2023-39507 is a medium-severity missing authorization vulnerability in Recruit Co., Ltd. "Rikunabi NEXT" App for Android, published on 16 Aug 2023. 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
Improper authorization in the custom URL scheme handler in "Rikunabi NEXT" App for Android prior to ver. 11.5.0 allows a malicious intent to lead the vulnerable App to access an arbitrary website.
Weakness: CWE-862
Which versions are affected by CVE-2023-39507?
It affects 1 product.
Products include Recruit Rikunabi Next.
How do I fix CVE-2023-39507?
No fix has been published for CVE-2023-39507 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-39507 being exploited?
There is no known exploitation of CVE-2023-39507 in the wild and no public exploit code.
Sources
Also known as GHSA-96qx-whg9-w5rw.