CVE-2021-28642 Adobe Acrobat Pro DC Out-of-Bounds Write Arbitrary Code Execution Vulnerability
An attacker can execute arbitrary code by tricking a user into opening a malicious file in Adobe Acrobat Reader.
- 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-2021-28642?
CVE-2021-28642 is a high-severity memory corruption vulnerability in Adobe Acrobat Dc, published on 20 Aug 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
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Out-of-bounds write vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution 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
Which versions are affected by CVE-2021-28642?
It affects 2 products.
Products include Adobe Acrobat Dc, Adobe Acrobat Reader Dc.
How do I fix CVE-2021-28642?
No fix has been published for CVE-2021-28642 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-2021-28642 being exploited?
There is no known exploitation of CVE-2021-28642 in the wild and no public exploit code.
Other vulnerabilities in Adobe Acrobat Dc
Sources
Also known as GHSA-93cf-6ghg-2rqx.