{"id":"GHSA-fppq-mj76-fpj2","summary":"fluentd vulnerable to remote code execution due to insecure deserialization (in non-default configuration)","details":"### Impact\nA remote code execution (RCE) vulnerability in non-default configurations of Fluentd  allows unauthenticated attackers to execute arbitrary code via specially crafted JSON payloads.\n\nFluentd setups are only affected if the environment variable `FLUENT_OJ_OPTION_MODE` is explicitly set to `object`.\n\nPlease 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.\n\n### Patches\nv1.15.3\n\n### Workarounds\nDo not use `FLUENT_OJ_OPTION_MODE=object`.\n\n### References\n\n* GHSL-2022-067\n","aliases":["BIT-fluentd-2022-39379","CVE-2022-39379"],"modified":"2024-02-21T05:27:14.591327Z","published":"2022-11-02T18:15:35Z","database_specific":{"cwe_ids":["CWE-502"],"severity":"LOW","github_reviewed":true,"github_reviewed_at":"2022-11-02T18:15:35Z","nvd_published_at":"2022-11-02T13:15:00Z"},"references":[{"type":"WEB","url":"https://github.com/fluent/fluentd/security/advisories/GHSA-fppq-mj76-fpj2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-39379"},{"type":"WEB","url":"https://github.com/fluent/fluentd/commit/48e5b85dab1b6d4c273090d538fc11b3f2fd8135"},{"type":"PACKAGE","url":"https://github.com/fluent/fluentd"},{"type":"WEB","url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/fluentd/CVE-2022-39379.yml"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MYD5QV66OLDHES6IKVYYM3Y3YID3VVCO"}],"affected":[{"package":{"name":"fluentd","ecosystem":"RubyGems","purl":"pkg:gem/fluentd"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.13.2"},{"fixed":"1.15.3"}]}],"versions":["1.13.2","1.13.3","1.14.0","1.14.0.rc","1.14.1","1.14.2","1.14.3","1.14.4","1.14.5","1.14.6","1.15.0","1.15.1","1.15.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/11/GHSA-fppq-mj76-fpj2/GHSA-fppq-mj76-fpj2.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}