VulnerabilityModified
CVE-2023-47163
Remarshal prior to v0.17.1 expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack.
HIGH 7.5EPSS 0.97%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Remarshal prior to v0.17.1 expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack. Processing untrusted YAML files may cause a denial-of-service (DoS) condition.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.97% probability · 60th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-674
- Affected
- remarshal project/remarshal
- Source
- vultures@jpcert.or.jp
References
- https://github.com/remarshal-project/remarshal/commit/fd6ac799a02f533c3fc243b49cdd6d21aa7ee494Patch
- https://github.com/remarshal-project/remarshal/releases/tag/v0.17.1Release Notes
- https://jvn.jp/en/jp/JVN86156389/Third Party Advisory
- https://github.com/remarshal-project/remarshal/commit/fd6ac799a02f533c3fc243b49cdd6d21aa7ee494Patch
- https://github.com/remarshal-project/remarshal/releases/tag/v0.17.1Release Notes
- https://jvn.jp/en/jp/JVN86156389/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.