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 FLUENTOJOPTION_MODE was introduced in Fluentd version 1.13.2. Earlier versions of Fluentd are not affected by this vulnerability.
v1.15.3
Do not use FLUENT_OJ_OPTION_MODE=object.
{
"github_reviewed_at": "2022-11-02T18:15:35Z",
"severity": "LOW",
"cwe_ids": [
"CWE-502"
],
"github_reviewed": true,
"nvd_published_at": "2022-11-02T13:15:00Z"
}