HTTP: SoftMaker Office PlanMaker PMD Document Records Integer Overflow

This signature detects attempts to exploit a known vulnerability against SoftMaker Office PlanMaker. A successful attack can lead to a buffer overflow and arbitrary remote code execution within the context of the SoftMaker Office.

Extended Description

An exploitable integer overflow vulnerability exists in the PlanMaker document parsing functionality of SoftMaker Office 2021s PlanMaker application. A specially crafted document can cause the document parser perform arithmetic that may overflow which can result in an undersized heap allocation. Later when copying data from the file into this allocation, a heap-based buffer overflow will occur which can corrupt memory. These types of memory corruptions can allow for code execution under the context of the application. An attacker can entice the victim to open a document to trigger this vulnerability.

Affected Products

Softmaker planmaker_2021

References

CVE: CVE-2020-13579

Short Name

HTTP:STC:DL:SFMK-OFC-PMD-IO

Severity

Minor

Recommended

False

Recommended Action

Drop

HTTP: SoftMaker Office PlanMaker PMD Document Records Integer Overflow

Extended Description

Affected Products

References

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