CVE-2020-13544 Integer overflow in Softmaker
A sign extension flaw in SoftMaker 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-2020-13544?
CVE-2020-13544 is a high-severity 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 sign extension 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 sign-extend a length used to terminate a loop, which can later result in the loop’s index being used to write outside the bounds of a heap buffer during the reading of file data. An attacker can entice the victim to open a document to trigger this vulnerability.
Which versions are affected by CVE-2020-13544?
It affects 1 product.
Products include Softmaker Softmaker Office.
How do I fix CVE-2020-13544?
No fix has been published for CVE-2020-13544 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-13544 being exploited?
There is no known exploitation of CVE-2020-13544 in the wild and no public exploit code.
Other vulnerabilities in Softmaker
Sources
Also known as GHSA-38rx-c85f-92fw.