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MEDIUM severity

GHSA-vhmj-5q9r-mm9g edumfa

MEDIUMFix: eduMFA/eduMFA@ad9d18b

GHSA-vhmj-5q9r-mm9g is a medium-severity (CVSS 6.8) vulnerability in edumfa. A fix is available for edumfa — see the affected versions and patch details below.

BlastRADIUS also affects eduMFA

Published
Jul 17, 2024
Updated
Dec 6, 2024
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Dec 6, 2024 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected
🐍edumfa

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Summary

BlastRADIUS (see blastradius.fail for details) also affects eduMFA prior version 2.2.0, because the Message-Authenticator attributes were not checked.

Details

Website with the vulnerability information blastradius.fail The original vulnerability has been assigned CVE-2024-3596 Case in vince: https://kb.cert.org/vuls/id/456537

PoC

There is no known proof-of-concept except for the attack shown in the paper from the researchers

Impact

An attacker can trigger an authentication flow with a RADIUS-backed token, intercept the RADIUS packet sent by eduMFA and modify the RADIUS server's answer, which would lead eduMFA to believe that the token is valid, even though the RADIUS servers answer was a reject.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIedumfaall versions2.2.0pip install --upgrade 'edumfa==2.2.0'

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for edumfa, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update edumfa to 2.2.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-vhmj-5q9r-mm9g is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-vhmj-5q9r-mm9g can be triaged on real exposure rather than presence alone.

Tailored to GHSA-vhmj-5q9r-mm9g. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

### Summary BlastRADIUS (see blastradius.fail for details) also affects eduMFA prior version 2.2.0, because the Message-Authenticator attributes were not checked. ### Details Website with the vulnerability information blastradius.fail The original vulnerability has been assigned CVE-2024-3596 Case in vince: https://kb.cert.org/vuls/id/456537 ### PoC There is no known proof-of-concept except for the attack shown in the paper from the researchers ### Impact An attacker can trigger an authentication flow with a RADIUS-backed token, intercept the RADIUS packet sent by eduMFA and modify the RAD
O3 Security · Impact-Aware SCA

Is GHSA-vhmj-5q9r-mm9g in your dependencies?

O3 Security finds GHSA-vhmj-5q9r-mm9g across PyPI dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

GHSA-vhmj-5q9r-mm9g: edumfa | O3 Security