CVE-2021-21103 Adobe Illustrator memory corruption vulnerability could lead to information disclosure

Medium 4.3 Published Updated

An attacker can disclose sensitive memory information by tricking a user into opening a malicious file in Adobe Illustrator.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-21103?

CVE-2021-21103 is a medium-severity memory corruption vulnerability in Adobe Illustrator, published on 8 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Adobe Illustrator version 25.2 (and earlier) is affected by a memory corruption vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to disclose sensitive memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-787, CWE-788

Which versions are affected by CVE-2021-21103?

It affects 1 product.

Products include Adobe Illustrator.

How do I fix CVE-2021-21103?

No fix has been published for CVE-2021-21103 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-21103 being exploited?

There is no known exploitation of CVE-2021-21103 in the wild and no public exploit code.

All Adobe Illustrator vulnerabilities

Sources

Also known as GHSA-wc7j-ww93-98v3.

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