Vulnerability in Softmaker Office

CVE-2020-13544

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.

EPSS: 0.016 (73.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Softmaker Softmaker_office — versions 2021
  • N/a Softmaker — versions SoftMaker Software GmbH SoftMaker Office TextMaker 2021 (revision 1014)

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-13544?
CVE-2020-13544 is a high-severity vulnerability in Softmaker Office, classified under CWE-194. CVSS score: 7.8/10. Published 2021-01-06.
How severe is CVE-2020-13544?
High severity. CVSS v3 base score is 7.8 out of 10.