CVE-2019-15386 Missing authorization in n/a

Medium 5.5 Published Updated

A pre-installed MediaTek app on the Lava Z60s allows any local app to modify system properties without authorization, enabling privilege escalation.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-15386?

CVE-2019-15386 is a medium-severity missing authorization vulnerability in n/a, published on 14 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Lava Z60s Android device with a build fingerprint of LAVA/Z60s/Z60s:8.1.0/O11019/1530331229:user/release-keys contains a pre-installed app with a package name of com.mediatek.wfo.impl app (versionCode=27, versionName=8.1.0) that allows any app co-located on the device to modify a system property through an exported interface without proper authorization.

Weakness: CWE-862

Which versions are affected by CVE-2019-15386?

It affects 1 product.

Products include Lavamobiles Z60s Firmware.

How do I fix CVE-2019-15386?

No fix has been published for CVE-2019-15386 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-2019-15386 being exploited?

There is no known exploitation of CVE-2019-15386 in the wild and no public exploit code.

Sources

Also known as GHSA-5867-rmrm-f76w.

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