Vulnerability CVE-2020-13545


Published: 2021-01-06

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.

Type:

CWE-681

(Incorrect Conversion between Numeric Types)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Softmaker -> Softmaker office 

 References:
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1162

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