CVE-2017-12695 Auth bypass in General Motors and Shanghai OnStar (SOS) iOS Client

High 8.8 Published Updated

An improper authentication flaw in the OnStar iOS client allows attackers to bypass security mechanisms and reset user account passwords.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-12695?

CVE-2017-12695 is a high-severity authentication bypass vulnerability in General Motors and Shanghai OnStar (SOS) iOS Client, published on 9 Jan 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An Improper Authentication issue was discovered in General Motors (GM) and Shanghai OnStar (SOS) SOS iOS Client 7.1. Successful exploitation of this vulnerability may allow an attacker to subvert security mechanisms and reset a user account password.

Weakness: CWE-287

Which versions are affected by CVE-2017-12695?

It affects 1 product.

Products include Gm Shanghai Onstar.

How do I fix CVE-2017-12695?

No fix has been published for CVE-2017-12695 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2017-12695 being exploited?

There is no known exploitation of CVE-2017-12695 in the wild and no public exploit code.

Sources

Also known as GHSA-c8qr-wqjf-46xv.

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