CVE-2021-28638 Adobe Acrobat Reader DC PDF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
An attacker can execute arbitrary code by tricking a user into opening a malicious PDF file in Adobe Acrobat Reader.
- 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-2021-28638?
CVE-2021-28638 is a high-severity memory corruption vulnerability in Adobe Acrobat Dc, published on 20 Aug 2021. 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
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by a Heap-based Buffer overflow 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-122
Which versions are affected by CVE-2021-28638?
It affects 2 products.
Products include Adobe Acrobat Dc, Adobe Acrobat Reader Dc.
How do I fix CVE-2021-28638?
No fix has been published for CVE-2021-28638 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-2021-28638 being exploited?
There is no known exploitation of CVE-2021-28638 in the wild and no public exploit code.
Other vulnerabilities in Adobe Acrobat Dc
Sources
Also known as GHSA-68f8-hhxj-3xpv.