CVE-2020-20740 Memory corruption in n/a
A heap-buffer-overflow in PDFResurrect allows attackers to execute arbitrary code or cause denial of service via crafted PDF files.
- 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
- Available
What is CVE-2020-20740?
CVE-2020-20740 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 20 Nov 2020. 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
PDFResurrect before 0.20 lack of header validation checks causes heap-buffer-overflow in pdf_get_version().
Weakness: CWE-787
Which versions are affected by CVE-2020-20740?
It affects 3 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Pdfresurrect Project Pdfresurrect.
How do I fix CVE-2020-20740?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-20740 being exploited?
There is no known exploitation of CVE-2020-20740 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2020-20740, GHSA-x486-4h5g-3687, MGASA-2020-0449, UBUNTU-CVE-2020-20740.