CVE-2020-13545 Memory corruption in Softmaker
A heap-based buffer overflow in SoftMaker TextMaker allows remote code execution via a specially crafted document.
- 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-2020-13545?
CVE-2020-13545 is a high-severity memory corruption vulnerability in Softmaker, published on 6 Jan 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
An exploitable signed conversion vulnerability exists in the TextMaker document parsing functionality of SoftMaker Office 2021’s TextMaker application. A specially crafted document can cause the document parser to miscalculate a length used to allocate a buffer, later upon usage of this buffer the application will write outside its bounds resulting in a heap-based memory corruption. An attacker can entice the victim to open a document to trigger this vulnerability.
Which versions are affected by CVE-2020-13545?
It affects 1 product.
Products include Softmaker Softmaker Office.
How do I fix CVE-2020-13545?
No fix has been published for CVE-2020-13545 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-2020-13545 being exploited?
There is no known exploitation of CVE-2020-13545 in the wild and no public exploit code.
Other vulnerabilities in Softmaker
Sources
Also known as GHSA-7q67-hcv3-7rj3.