Search criteria
6 vulnerabilities found for hancom_office_2020 by hancom
CVE-2023-32541 (GCVE-0-2023-32541)
Vulnerability from nvd – Published: 2023-09-26 14:02 – Updated: 2025-11-04 19:16
VLAI?
Summary
A use-after-free vulnerability exists in the footerr functionality of Hancom Office 2020 HWord 11.0.0.7520. A specially crafted .doc file can lead to a use-after-free. An attacker can trick a user into opening a malformed file to trigger this vulnerability.
Severity ?
8.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Hancom | Hancom Office 2020 |
Affected:
HWord 11.0.0.7520
|
Credits
Discovered by Marcin 'Icewall' Noga of Cisco Talos.
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CVE-2022-33896 (GCVE-0-2022-33896)
Vulnerability from nvd – Published: 2022-10-07 15:05 – Updated: 2025-04-15 18:49
VLAI?
Summary
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.
Severity ?
7.8 (High)
CWE
- CWE-124 - Buffer Underwrite ('Buffer Underflow')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Hancom | Hancom Office 2020 |
Affected:
Hancom Office 2020 11.0.0.5357
|
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CVE-2021-21958 (GCVE-0-2021-21958)
Vulnerability from nvd – Published: 2022-02-16 16:38 – Updated: 2025-04-15 19:10
VLAI?
Summary
A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Severity ?
7.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
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CVE-2023-32541 (GCVE-0-2023-32541)
Vulnerability from cvelistv5 – Published: 2023-09-26 14:02 – Updated: 2025-11-04 19:16
VLAI?
Summary
A use-after-free vulnerability exists in the footerr functionality of Hancom Office 2020 HWord 11.0.0.7520. A specially crafted .doc file can lead to a use-after-free. An attacker can trick a user into opening a malformed file to trigger this vulnerability.
Severity ?
8.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Hancom | Hancom Office 2020 |
Affected:
HWord 11.0.0.7520
|
Credits
Discovered by Marcin 'Icewall' Noga of Cisco Talos.
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CVE-2022-33896 (GCVE-0-2022-33896)
Vulnerability from cvelistv5 – Published: 2022-10-07 15:05 – Updated: 2025-04-15 18:49
VLAI?
Summary
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.
Severity ?
7.8 (High)
CWE
- CWE-124 - Buffer Underwrite ('Buffer Underflow')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Hancom | Hancom Office 2020 |
Affected:
Hancom Office 2020 11.0.0.5357
|
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CVE-2021-21958 (GCVE-0-2021-21958)
Vulnerability from cvelistv5 – Published: 2022-02-16 16:38 – Updated: 2025-04-15 19:10
VLAI?
Summary
A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Severity ?
7.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
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