WPS Office buffer overflow | CVE-2021-40399
NAME
WPS Office buffer overflow
- Platforms Affected:
Kingsoft WPS Office 11.2.0.10351 - Risk Level:
7.8 - Exploitability:
Proof of Concept - Consequences:
Gain Access
DESCRIPTION
WPS Office is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by a use-after-free in WPS Spreadsheets. By persuading a victim to open a specially-crafted XLS file, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
- Access Vector: Local
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Upgrade to the latest version of WPS Office (11.8.2.11542 or later), available from the WPS Office Web site. See References.
- Reference Link:
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1412 - Reference Link:
https://www.wps.com/
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