CVE-2017-16813 Denial of service in n/a

Medium 5.5 Published Updated

An attacker can cause a denial of service in the Foxit MobilePDF iOS app by uploading a file with a specific hexadecimal Unicode character in the filename.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2017-16813?

CVE-2017-16813 is a medium-severity denial of service vulnerability in n/a, published on 26 Feb 2018. 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

A denial-of-service issue was discovered in the Foxit MobilePDF app before 6.1 for iOS. This occurs when a user uploads a file that includes a hexadecimal Unicode character in the "filename" parameter via Wi-Fi, since the app could fail to parse this.

Weakness: CWE-20

Which versions are affected by CVE-2017-16813?

It affects 1 product.

Products include Foxitsoftware Mobilepdf.

How do I fix CVE-2017-16813?

No fix has been published for CVE-2017-16813 yet. Limit exposure of the affected software until one is available.

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-2017-16813 being exploited?

There is no known exploitation of CVE-2017-16813 in the wild and no public exploit code.

Sources

Also known as GHSA-g9ph-84qj-78j9.

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