CVE-2020-3743 Use after free in Adobe Acrobat and Reader

Critical 9.8 Published Updated

A use-after-free flaw in Adobe Acrobat and Reader allows attackers to execute arbitrary code via malicious documents.

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

What is CVE-2020-3743?

CVE-2020-3743 is a critical use after free vulnerability in Adobe Acrobat Dc, published on 13 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Adobe Acrobat and Reader versions 2019.021.20061 and earlier, 2017.011.30156 and earlier, 2017.011.30156 and earlier, and 2015.006.30508 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution .

Weakness: CWE-416

Which versions are affected by CVE-2020-3743?

It affects 2 products.

Products include Adobe Acrobat Dc, Adobe Acrobat Reader Dc.

How do I fix CVE-2020-3743?

No fix has been published for CVE-2020-3743 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2020-3743 being exploited?

There is no known exploitation of CVE-2020-3743 in the wild and no public exploit code.

All Adobe Acrobat Dc vulnerabilities

Sources

Also known as GHSA-f89f-x4qh-9gfp.

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