SB2020021164 - Arbitrary file corruption in Microsoft Office 365
Published: February 11, 2020
Security Bulletin ID
SB2020021164
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-0697)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists in Microsoft Office OLicenseHeartbeat task, that allows to execute the task with SYSTEM privileges. A local user can place a specially crafted file in a specific location and corrupt arbitrary file on the system.
Remediation
Install update from vendor's website.