An 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.
References
Link | Resource |
---|---|
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26851 | Exploit Issue Tracking Patch Third Party Advisory |
https://github.com/fluent/fluent-bit/pull/3100 | Patch |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2023-04-11T00:00:00
Updated: 2023-04-11T00:00:00
Reserved: 2023-03-29T00:00:00
Link: CVE-2021-46879
JSON object: View
NVD Information
Status : Analyzed
Published: 2023-04-11T18:15:58.387
Modified: 2023-04-26T13:46:07.767
Link: CVE-2021-46879
JSON object: View
Redhat Information
No data.
CWE