SoftMaker Office 2021 PlanMaker heap-based overflow

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A vulnerability has been found in SoftMaker Office 2021 and classified as critical. This vulnerability affects an unknown part of the component PlanMaker. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Field02/04/2021 06:44 PM02/23/2021 02:08 PM
vendorSoftMakerSoftMaker
nameOfficeOffice
version20212021
componentPlanMakerPlanMaker
cwe122 (memory corruption)122 (memory corruption)
risk22
cvss3_vuldb_avNN
cvss3_vuldb_acLL
cvss3_vuldb_prNN
cvss3_vuldb_uiRR
cvss3_vuldb_sUU
cvss3_vuldb_cLL
cvss3_vuldb_iLL
cvss3_vuldb_aLL
identifierTALOS-2020-1191TALOS-2020-1191
urlhttps://talosintelligence.com/vulnerability_reports/TALOS-2020-1191https://talosintelligence.com/vulnerability_reports/TALOS-2020-1191
cveCVE-2020-13580CVE-2020-13580
date1612393200 (02/04/2021)1612393200 (02/04/2021)
cvss2_vuldb_avNN
cvss2_vuldb_acLL
cvss2_vuldb_auNN
cvss2_vuldb_ciPP
cvss2_vuldb_iiPP
cvss2_vuldb_aiPP
cvss2_vuldb_eNDND
cvss2_vuldb_rlNDND
cvss2_vuldb_rcNDND
cvss3_vuldb_eXX
cvss3_vuldb_rlXX
cvss3_vuldb_rcXX
cvss2_vuldb_basescore7.57.5
cvss2_vuldb_tempscore7.57.5
cvss3_vuldb_basescore6.36.3
cvss3_vuldb_tempscore6.36.3
cvss3_meta_basescore6.36.3
cvss3_meta_tempscore6.36.3
price_0day$0-$5k$0-$5k
cve_assigned1590444000
cve_nvd_summaryAn exploitable heap-based buffer overflow vulnerability exists in the PlanMaker document parsing functionality of SoftMaker Office 2021’s PlanMaker application. A specially crafted document can cause the document parser to explicitly trust a length from a particular record type and use it to write a 16-bit null relative to a buffer allocated on the stack. Due to a lack of bounds-checking on this value, this can allow an attacker to write to memory outside of the buffer and controllably corrupt memory. This can allow an attacker to earn code execution under the context of the application. An attacker can entice the victim to open a document to trigger this vulnerability.

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