HIGH 7.8 Microsoft
CVE-2021-46879
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.
Microsoft Security Update 2023-Apr: 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.
Affected Products
- cm1 fluent-bit 1.5.2-3 on CBL Mariner 1.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-46879
- https://nvd.nist.gov/vuln/detail/CVE-2021-46879
This high severity vulnerability with a CVSS score of 7.8 was published on 2023-04-11 via Microsoft. Affected: cm1 fluent-bit 1.5.2-3 on CBL Mariner 1.0.
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