Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS1yY3hjLTN3Mm0tbXA4aM4AAs61

Unsafe deserialisation in the PKI implementation scheme of NVFlare

Impact

NVFLARE contains a vulnerability in its PKI implementation module, where The CA credentials are transported via pickle and no safe deserialization. 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

Replace pickle serialization with JSON and change the code accordingly

Additional information
Issue Found by: Oliver Sellwood (@Nintorac)

Permalink: https://github.com/advisories/GHSA-rcxc-3w2m-mp8h
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1yY3hjLTN3Mm0tbXA4aM4AAs61
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-rcxc-3w2m-mp8h, CVE-2022-31604
References:

• https://github.com/NVIDIA/NVFlare/security/advisories/GHSA-rcxc-3w2m-mp8h
• https://nvd.nist.gov/vuln/detail/CVE-2022-31604
• https://github.com/pypa/advisory-database/tree/main/vulns/nvflare/PYSEC-2022-231.yaml
• https://github.com/NVIDIA/NVFlare/commit/fd018eea9dff925a765079a94c2f017920fcda67
• https://github.com/advisories/GHSA-rcxc-3w2m-mp8h

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

Affected Packages