low3.1
CVE-2022-39379
fluentd vulnerable to remote code execution due to insecure deserialization (in non-default configuration)
Impact
### Impact 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. ### Patches v1.15.3 ### Workarounds Do not use `FLUENT_OJ_OPTION_MODE=object`. ### References * GHSL-2022-067
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| rubygems | fluentd | >= 1.13.2, < 1.15.3 | 1.15.3 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Fluentd | Fluentd | from 1.13.2 before 1.15.3 |
| Fedoraproject | Fedora | Version 37 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/fluent/fluentd/commit/48e5b85dab1b6d4c273090d538fc11b3f2fd8135
- https://github.com/fluent/fluentd/security/advisories/GHSA-fppq-mj76-fpj2
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYD5QV66OLDHES6IKVYYM3Y3YID3VVCO/
- https://github.com/advisories/GHSA-fppq-mj76-fpj2
- https://nvd.nist.gov/vuln/detail/CVE-2022-39379
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/fluentd/CVE-2022-39379.yml
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MYD5QV66OLDHES6IKVYYM3Y3YID3VVCO/