CVE-2020-13546 Memory corruption in SoftMaker
A heap-based buffer overflow in SoftMaker Office TextMaker allows attackers to execute arbitrary code by tricking users into opening a malicious 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-2020-13546?
CVE-2020-13546 is a high-severity memory corruption vulnerability in SoftMaker, published on 10 Feb 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
In SoftMaker Software GmbH SoftMaker Office TextMaker 2021 (revision 1014), 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 buffer overflow. An attacker can entice the victim to open a document to trigger this vulnerability.
Which versions are affected by CVE-2020-13546?
It affects 1 product.
Products include Softmaker Office Textmaker 2021.
How do I fix CVE-2020-13546?
No fix has been published for CVE-2020-13546 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-2020-13546 being exploited?
There is no known exploitation of CVE-2020-13546 in the wild and no public exploit code.
Sources
Also known as GHSA-jp35-qr97-xjcm.