Heap-based buffer overflow in PlanMaker 2021 - CVE-2020-27247
Published: February 4, 2021
Vulnerability identifier: #VU50309
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-27247
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the Office Art record-parsing functionality within the Version/Instance 0x0002. A remote attacker can use a specially crafted document, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
PlanMaker 2021
How to mitigate CVE-2020-27247
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.