CVE-2017-6436 Denial of service in n/a

Medium 5.0 Published Updated

A local attacker can cause a denial of service via memory allocation error in libplist by providing a crafted plist file.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2017-6436?

CVE-2017-6436 is a medium-severity denial of service vulnerability in n/a, published on 15 Mar 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The parse_string_node function in bplist.c in libimobiledevice libplist 1.12 allows local users to cause a denial of service (memory allocation error) via a crafted plist file.

Weakness: CWE-20, CWE-119

Which versions are affected by CVE-2017-6436?

It affects 1 product.

Products include Libplist Project Libplist.

How do I fix CVE-2017-6436?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2017-6436 being exploited?

There is no known exploitation of CVE-2017-6436 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2017-6436, GHSA-7767-wr3w-3hqg.

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