CVE-2017-13314 Missing authorization in Android

High 7.8 Published Updated

A missing permission check in Android's NetworkManagementService allows local attackers to bypass VPN restrictions and access non-VPN networks without user interaction.

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-2017-13314?

CVE-2017-13314 is a high-severity missing authorization vulnerability in Google Android, published on 15 Nov 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In setAllowOnlyVpnForUids of NetworkManagementService.java, there is a possible security settings bypass due to a missing permission check. This could lead to local escalation of privilege allowing users to access non-VPN networks, when they are supposed to be restricted to the VPN networks, with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-862, CWE-276

Which versions are affected by CVE-2017-13314?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2017-13314?

No fix has been published for CVE-2017-13314 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-2017-13314 being exploited?

There is no known exploitation of CVE-2017-13314 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-5gw7-xq3v-7q6c.

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