7.8
CVE-2021-46879
- EPSS 0.38%
- Veröffentlicht 11.04.2023 18:15:58
- Zuletzt bearbeitet 11.02.2025 20:15:31
- Quelle cve@mitre.org
- CVE-Watchlists
- Unerledigt
LoginAn issue was discovered in Treasure Data Fluent Bit 1.7.1, a wrong variable is used to get the msgpack data resulting in a heap overflow in flb_msgpack_gelf_value_ext. An attacker can craft a malicious file and tick the victim to open the file with the software, triggering a heap overflow and execute arbitrary code on the target system.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Treasuredata ≫ Fluent Bit Version1.7.1
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.38% | 0.296 |
| 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
|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 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
|
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26851
https://github.com/fluent/fluent-bit/pull/3100