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  3. CVE-2016-3718
Exploited in the wildServers & business softwareWork IT

CVE-2016-3718 ImageMagick ImageMagick: web page flaw

In plain words: A web app can be made to act on someone's behalf or reach places it should not. Stolen sessions, actions taken as the victim, or access to internal systems.

Confirmed exploited by CISA on · US federal patch deadline May 3, 2022

What to do

  1. Install ImageMagick's security update for ImageMagick. If no update exists, follow the vendor's workaround or stop using the product until one ships.
  2. Keep a list of every internet-facing server you run so nothing is forgotten.
  3. Patch anything in this catalog first, ahead of normal patch cycles.
  4. Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.

Who is affected

Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.

What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.

The details

Official name
ImageMagick Server-Side Request Forgery (SSRF) Vulnerability
Product
ImageMagick ImageMagick
CISA description
ImageMagick contains an unspecified vulnerability that allows attackers to perform server-side request forgery (SSRF) via a crafted image.
Type of flaw
Web page flaw (CWE-20)
Confirmed exploited
Nov 3, 2021
US federal patch deadline
May 3, 2022

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Answering about CVE-2016-3718 ·

Questions about CVE-2016-3718

Is CVE-2016-3718 being exploited?

Yes. CISA added CVE-2016-3718 to its Known Exploited Vulnerabilities catalog on Nov 3, 2021, which means there is reliable evidence of real-world attacks.

How do I fix CVE-2016-3718?

Install ImageMagick's security update for ImageMagick. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.

Am I affected by CVE-2016-3718?

Only if you use ImageMagick ImageMagick. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.

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