CVE-2022-33896
Last modified
CVE-2022-33896 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.50% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hancom | Hancom Office 2020 | 11.0.0.5357 |
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1574Exploit, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1574Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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