CVE-2022-31605
First published: Wed Jun 22 2022(Updated: )
### Impact NVFLARE contains a vulnerability in its utils module, where YAML files are loaded via yaml.load() instead of yaml.safe_load(). The deserialization of Untrusted Data, may allow an unprivileged network attacker to cause Remote Code Execution, Denial Of Service, and Impact to both Confidentiality and Integrity. All versions before 2.1.2 are affected. CVSS Score = 9.8 [AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H](https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fnvd.nist.gov%2Fvuln-metrics%2Fcvss%2Fv3-calculator%3Fvector%3DAV%3AN%2FAC%3AL%2FPR%3AN%2FUI%3AN%2FS%3AU%2FC%3AH%2FI%3AH%2FA%3AH&data=05%7C01%7Cchesterc%40nvidia.com%7Ce9600bde16854b0b380008da4fc544f7%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637910005925574215%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=5kBrXEmAbqp8R31JCH%2FG95MUly72UPVihnBwiRFmvBY%3D&reserved=0) ### Patches The patch will be included in nvflare==2.1.2 ### Workarounds Change yaml.load() to yaml.safe_load() ### Additional information Issue Found by: Oliver Sellwood (@Nintorac)
Credit: psirt@nvidia.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/nvflare | <2.1.2 | 2.1.2 |
| Nvidia NVFLARE | <2.1.2 |
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Reference Links
- https://github.com/NVIDIA/NVFlare/security/advisories/GHSA-hrf3-622q-8366
- https://nvd.nist.gov/vuln/detail/CVE-2022-31605
- https://github.com/pypa/advisory-database/tree/main/vulns/nvflare/PYSEC-2022-232.yaml
- https://github.com/NVIDIA/NVFlare/commit/4de9782697ecb12f39bcae83221bd8d3498959be
- https://github.com/advisories/GHSA-hrf3-622q-8366 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2022-31605?
CVE-2022-31605 has a high severity rating due to its potential for Remote Code Execution.
What could happen if CVE-2022-31605 is exploited?
Exploitation of CVE-2022-31605 could lead to Remote Code Execution and Denial of Service.
How do I fix CVE-2022-31605?
To fix CVE-2022-31605, upgrade NVFLARE to version 2.1.2 or later.
Which versions of NVFLARE are affected by CVE-2022-31605?
CVE-2022-31605 affects all versions of NVFLARE up to 2.1.2.
Is CVE-2022-31605 related to YAML file handling?
Yes, CVE-2022-31605 is related to unsafe handling of YAML files via yaml.load() instead of yaml.safe_load() in NVFLARE.
- collector/github-advisory-latest
- alias/GHSA-hrf3-622q-8366
- alias/CVE-2022-31605
- collector/github-advisory
- agent/author
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- canonical/nvidia nvflare