CVE-2023-0509: Pyload ng Improper Certificate Validation Vulnerability

HIGH
Advisory Identifier: GHSA-8v53-23mx-hcf9
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CVSS 7.4
CWE-295
Published
Advisory Summary

CVE-2023-0509 is a HIGH (CVSS 7.4) improper certificate validation vulnerability (CWE-295: Improper Certificate Validation) affecting Pyload ng libraries in the PyPI ecosystem. The issue involves improper certificate validation in pyload-ng. Remediation is available by upgrading affected packages to version 0.5.0b3.dev44.

CVE-2023-0509 at a Glance

CVE Identifier CVE-2023-0509
GHSA Identifier GHSA-8v53-23mx-hcf9
Severity HIGH
CVSS v3.1 Base Score 7.4
CWE Classification CWE-295: Improper Certificate Validation
Affected Product Pyload ng
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 7.4

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2023-0509

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

pyload-ng fixed: 0.5.0b3.dev44 
pip install pyload-ng>=0.5.0b3.dev44
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 pyload-ng

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2023-0509, inspect your installed packages using pip:

pip show pyload-ng

Analyze the terminal output to locate any version of Pyload ng in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.5.0b3.dev44), your application is affected.

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

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-295: Improper Certificate Validation, where the product does not validate, or incorrectly validates, a certificate. In Pyload ng, 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

Improper Certificate Validation in GitHub repository pyload/pyload prior to 0.5.0b3.dev44.

CVE-2023-0509 Affected Pyload ng Versions

1 component(s)
Fixed Versions:
0.5.0b3.dev44
Product / Package Ecosystem Affected Versions Fixed Version
pyload-ng
pypi/pyload-ng
PyPI
< 0.5.0b3.dev44
0.5.0b3.dev44

References

NVD — CVE-2023-0509 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-0509
Security Fix Commit FIX COMMIT
https://github.com/pyload/pyload/commit/a9098bdf7406e6faf9df3da6ff2d584e90c13bbb
Pyload ng Source Repository REPOSITORY
https://github.com/pyload/pyload
huntr.dev/bounties/a370e0c2-a... WEB
https://huntr.dev/bounties/a370e0c2-a41c-4871-ad91-bc6f31a8e839

Frequently Asked Questions

What is CVE-2023-0509?
CVE-2023-0509 is a security vulnerability in Pyload ng involving Improper Certificate Validation in pyload-ng under CWE-295: Improper Certificate Validation.
Which Pyload ng versions are affected?
Affected versions include releases prior to 0.5.0b3.dev44 across affected packages: pyload-ng.
What version fixes CVE-2023-0509?
Upgrading to 0.5.0b3.dev44 (or the latest patched release for your respective branch) resolves the vulnerability.
Is pyload-ng affected?
Yes, pyload-ng is affected in releases prior to 0.5.0b3.dev44. Upgrade your dependency to 0.5.0b3.dev44 or later.
What is the CVSS score of CVE-2023-0509?
CVE-2023-0509 has a CVSS v3.1 base score of 7.4 (HIGH) with vector string CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
What CWE is associated with CVE-2023-0509?
CVE-2023-0509 is classified under CWE-295: Improper Certificate Validation (The product does not validate, or incorrectly validates, a certificate.).
How can I check PyPI dependencies for CVE-2023-0509?
Run the dependency tree command: 'pip show pyload-ng'. 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-8v53-23mx-hcf9",
  "modified" : "2023-01-27T01:15:05Z",
  "published" : "2023-01-27T00:30:18Z",
  "aliases" : [ "CVE-2023-0509" ],
  "summary" : "Improper Certificate Validation in pyload-ng",
  "details" : "Improper Certificate Validation in GitHub repository pyload/pyload prior to 0.5.0b3.dev44.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "pyload-ng"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.5.0b3.dev44"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-0509"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pyload/pyload/commit/a9098bdf7406e6faf9df3da6ff2d584e90c13bbb"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/pyload/pyload"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/a370e0c2-a41c-4871-ad91-bc6f31a8e839"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-295" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-01-27T01:15:05Z",
    "nvd_published_at" : "2023-01-26T22:15:00Z"
  }
}