Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS1ocmYzLTYyMnEtODM2Ns4AAs62

Unsafe yaml deserialization in NVFlare

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

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)

Permalink: https://github.com/advisories/GHSA-hrf3-622q-8366
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1ocmYzLTYyMnEtODM2Ns4AAs62
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: almost 2 years ago
Updated: 8 months ago

CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-hrf3-622q-8366, CVE-2022-31605
References:

• 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

Repository: https://github.com/NVIDIA/NVFlare
Blast Radius: 16.0

Affected Packages