CVE-2022-33896

Public Exploit

Description

A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
EPSS 0.11%
Third-Party Advisory talosintelligence.com
Affected: Hancom Hancom Office 2020
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1574 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2022-33896?
CVE-2022-33896 has been scored as a high severity vulnerability.
How to fix CVE-2022-33896?
To fix CVE-2022-33896, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-33896 being actively exploited in the wild?
It is possible that CVE-2022-33896 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-33896?
CVE-2022-33896 affects Hancom Hancom Office 2020.
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