Vulnerability Details : CVE-2022-39379

Fluentd collects events from various data sources and writes them to files, RDBMS, NoSQL, IaaS, SaaS, Hadoop and so on. A remote code execution (RCE) vulnerability in non-default configurations of Fluentd allows unauthenticated attackers to execute arbitrary code via specially crafted JSON payloads. Fluentd setups are only affected if the environment variable `FLUENT_OJ_OPTION_MODE` is explicitly set to `object`. Please note: The option FLUENT_OJ_OPTION_MODE was introduced in Fluentd version 1.13.2. Earlier versions of Fluentd are not affected by this vulnerability. This issue was patched in version 1.15.3. As a workaround do not use `FLUENT_OJ_OPTION_MODE=object`.
Published 2022-11-02 13:15:14
Updated 2023-03-01 16:36:34
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: Execute code

Products affected by CVE-2022-39379

Exploit prediction scoring system (EPSS) score for CVE-2022-39379

EPSS FAQ
8.87%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-39379

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.8
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST
3.1
 LOW CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
1.6
1.4
 GitHub, Inc.

CWE ids for CVE-2022-39379

  • The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
    Assigned by:
    • nvd@nist.gov (Secondary)
    • security-advisories@github.com (Primary)

References for CVE-2022-39379

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