5.4

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2024-45244

CVE-2024-45244: Hyperledger Fabric does not verify request has a timestamp within the expected time window

Hyperledger Fabric through 2.5.9 does not verify that a request has a timestamp within the expected time window.

(GitHub Advisory)

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CVE-2024-45244

CVE-2024-45244:

5.4

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
github.com/hyperledger/fabric	go	<= 2.5.9

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability stems from the absence of timestamp validation in the proposal processing flow. The commit introduced a new TimeWindowCheck filter in core/handlers/auth/filter/timewindow.go to enforce this check. Prior to the fix, the authFilters configuration (in core.yaml) lacked this filter, meaning the ProcessProposal handler in the endorser server processed requests without verifying if the timestamp fell within the allowed window. This matches the CWE-294 (Authentication Bypass by Capture-replay) and CWE-672 (Expiration check failures) descriptions. The high confidence comes from the explicit addition of the TimeWindowCheck filter in the patch and the CVE's focus on missing timestamp validation.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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