CVE-2019-16243 Missing authorization in n/a
Unprivileged JavaScript can access an undocumented web API to view and modify firmware update settings on TCL Alcatel devices.
- 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-2019-16243?
CVE-2019-16243 is a medium-severity missing authorization vulnerability in n/a, published on 26 Nov 2019. 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
On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, there is an undocumented web API that allows unprivileged JavaScript, including JavaScript running within the KaiOS browser, to view and edit the device's firmware over-the-air update settings. (This web API is normally used by the system application to trigger firmware updates via OmaService.js.)
Weakness: CWE-306
Which versions are affected by CVE-2019-16243?
It affects 1 product.
Products include Alcatelmobile Cingular Flip 2 Firmware.
How do I fix CVE-2019-16243?
No fix has been published for CVE-2019-16243 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-2019-16243 being exploited?
There is no known exploitation of CVE-2019-16243 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-c4hf-6r23-8vgr.