CVE-2021-46878

Summary

CVECVE-2021-46878
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-04-11 18:15:00 UTC
Updated2023-04-26 13:42:00 UTC
DescriptionAn issue was discovered in Treasure Data Fluent Bit 1.7.1, erroneous parsing in flb_pack_msgpack_to_json_format leads to type confusion bug that interprets whatever is on the stack as msgpack maps and arrays, leading to use-after-free. This can be used by an attacker to craft a specially craft file and trick the victim opening it using the affect software, triggering use-after-free and execute arbitrary code on the target system.

Risk And Classification

Problem Types: CWE-843

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Treasuredata Fluent Bit 1.7.1 All All All

References

ReferenceSourceLinkTags
27742 - oss-fuzz - OSS-Fuzz: Fuzzing the planet - Monorail MISC bugs.chromium.org
pack: fix type confusion bugs. Amongst other OSS-Fuzz 5136174263566336 by DavidKorczynski · Pull Request #3115 · fluent/fluent-bit · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 906882 Common Base Linux Mariner (CBL-Mariner) Security Update for fluent-bit (26125-1)

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