7.8
CVE-2021-21958
- EPSS 1.03%
- Veröffentlicht 16.02.2022 17:15:10
- Zuletzt bearbeitet 21.11.2024 05:49:19
- Quelle talos-cna@cisco.com
- CVE-Watchlists
- Unerledigt
LoginA 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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Hancom ≫ Hancom Office 2020 Version11.0.0.2353
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 1.03% | 0.592 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.8 | 1.8 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 6.8 | 8.6 | 6.4 |
AV:N/AC:M/Au:N/C:P/I:P/A:P
|
| talos-cna@cisco.com | 7.8 | 1.8 | 5.9 |
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
|
CWE-122 Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1386
https://blog.talosintelligence.com/2022/02/vuln-spotlight-.html