GHSA-xm8r-5wh6-f46f: Autobahn Timing Attack Vulnerability

LOW
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Advisory Summary

GHSA-xm8r-5wh6-f46f is a LOW timing attack vulnerability (General Security Weakness) affecting Autobahn libraries in the PyPI ecosystem. The issue involves timing attack. Remediation is available by upgrading affected packages to version 0.6.4.

GHSA-xm8r-5wh6-f46f at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-xm8r-5wh6-f46f
Severity LOW
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Autobahn
Package Ecosystem PyPI
Published Date
Last Updated

How to Fix GHSA-xm8r-5wh6-f46f

To remediate this vulnerability, upgrade all affected Autobahn dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

autobahn fixed: 0.6.4 
pip install autobahn>=0.6.4
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show autobahn

How to Check if You Are Affected

To determine whether your Python environment is affected by GHSA-xm8r-5wh6-f46f, inspect your installed packages using pip:

pip show autobahn

Analyze the terminal output to locate any version of Autobahn in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.6.4), your application is affected.

Note: The pip show autobahn command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Autobahn, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

While each ID is used for only one authentication attempt, a timing attack is possible to figure out in Autobahn.

GHSA-xm8r-5wh6-f46f Affected Autobahn Versions

1 component(s)
Fixed Versions:
0.6.4
Product / Package Ecosystem Affected Versions Fixed Version
autobahn
pypi/autobahn
PyPI
< 0.6.4
0.6.4

References

Autobahn Source Repository REPOSITORY
https://github.com/crossbario/autobahn-python/issues/157
www.whitesourcesoftware.com/vulnerability-datab... WEB
https://www.whitesourcesoftware.com/vulnerability-database/WS-2013-0019

Frequently Asked Questions

What is GHSA-xm8r-5wh6-f46f?
GHSA-xm8r-5wh6-f46f is a security vulnerability in Autobahn involving Timing attack under General Security Weakness.
Which Autobahn versions are affected?
Affected versions include releases prior to 0.6.4 across affected packages: autobahn.
What version fixes GHSA-xm8r-5wh6-f46f?
Upgrading to 0.6.4 (or the latest patched release for your respective branch) resolves the vulnerability.
Is autobahn affected?
Yes, autobahn is affected in releases prior to 0.6.4. Upgrade your dependency to 0.6.4 or later.
What CWE is associated with GHSA-xm8r-5wh6-f46f?
GHSA-xm8r-5wh6-f46f is classified under General Security Weakness.
How can I check PyPI dependencies for GHSA-xm8r-5wh6-f46f?
Run the dependency tree command: 'pip show autobahn'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-xm8r-5wh6-f46f",
  "modified" : "2021-02-24T19:45:15Z",
  "published" : "2021-02-24T19:45:15Z",
  "withdrawn" : "2021-02-24T19:45:15Z",
  "aliases" : [ ],
  "summary" : "Timing attack",
  "details" : "While each ID is used for only one authentication attempt, a timing attack is possible to figure out in Autobahn.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "autobahn"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.6.4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/crossbario/autobahn-python/issues/157"
  }, {
    "type" : "WEB",
    "url" : "https://www.whitesourcesoftware.com/vulnerability-database/WS-2013-0019"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2019-06-20T14:32:05Z",
    "nvd_published_at" : null
  }
}