SB2022100524 - Buffer Underflow in Hancom Office 2020
Published: October 5, 2022
Security Bulletin ID
SB2022100524
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer Underwrite ('Buffer Underflow') (CVE-ID: CVE-2022-33896)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper parsing of XML-based office files. A remote attacker can trick a victim to open a specially crafted file, trigger memory corruption and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.