Out-of-bounds write in Microsoft Office and Microsoft Excel - CVE-2020-1594
Published: September 8, 2020 / Updated: September 13, 2020
Vulnerability identifier: #VU46426
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2020-1594
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Office
Microsoft Excel
Microsoft Office
Microsoft Excel
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when parsing Shared String Table (SST) record in XLS files. A remote attacker can create a specially crafted Excel file, trick the victim into opening it, trigger an out-of-bounds write and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2020-1594
Cybersecurity Help is currently unaware of any official solution to address this vulnerability..