CVE-2022-4314: Rdiffweb Improper Privilege Management Vulnerability

CRITICAL
Advisory Identifier: GHSA-g594-55mp-f6q8
CVSS 9.8
CWE-269
Published
Advisory Summary

CVE-2022-4314 is a CRITICAL (CVSS 9.8) improper privilege management vulnerability (CWE-269: Improper Privilege Management) affecting Rdiffweb libraries in the PyPI ecosystem. The issue involves improper privilege management in rdiffweb. Remediation is available by upgrading affected packages to version 2.5.2.

CVE-2022-4314 at a Glance

CVE Identifier CVE-2022-4314
GHSA Identifier GHSA-g594-55mp-f6q8
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-269: Improper Privilege Management
Affected Product Rdiffweb
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

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

How to Fix CVE-2022-4314

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

rdiffweb fixed: 2.5.2
pip install rdiffweb>=2.5.2
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 rdiffweb

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2022-4314, inspect your installed packages using pip:

pip show rdiffweb

Analyze the terminal output to locate any version of Rdiffweb in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.5.2), your application is affected.

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

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-269: Improper Privilege Management, where the product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. In Rdiffweb, 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

Unauthorized access to settings update, logs , history, delete etc in GitHub repository ikus060/rdiffweb prior to 2.5.2.

CVE-2022-4314 Affected Rdiffweb Versions

1 component(s)
Fixed Versions:
2.5.2
Product / Package Ecosystem Affected Versions Fixed Version
rdiffweb
PyPI
< 2.5.2
2.5.2

References

Frequently Asked Questions

What is CVE-2022-4314?
CVE-2022-4314 is a security vulnerability in Rdiffweb involving Improper Privilege Management in rdiffweb under CWE-269: Improper Privilege Management.
Which Rdiffweb versions are affected?
Affected versions include releases prior to 2.5.2 across affected packages: rdiffweb.
What version fixes CVE-2022-4314?
Upgrading to 2.5.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is rdiffweb affected?
Yes, rdiffweb is affected in releases prior to 2.5.2. Upgrade your dependency to 2.5.2 or later.
What is the CVSS score of CVE-2022-4314?
CVE-2022-4314 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-4314?
CVE-2022-4314 is classified under CWE-269: Improper Privilege Management (The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.).
How can I check PyPI dependencies for CVE-2022-4314?
Run the dependency tree command: 'pip show rdiffweb'. 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
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-g594-55mp-f6q8",
  "modified" : "2024-10-25T21:43:43Z",
  "published" : "2022-12-12T18:30:27Z",
  "aliases" : [ "CVE-2022-4314" ],
  "summary" : "Improper Privilege Management in rdiffweb",
  "details" : "Unauthorized access to settings update, logs , history, delete etc in GitHub repository ikus060/rdiffweb prior to 2.5.2.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "rdiffweb"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.5.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-4314"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/ikus060/rdiffweb/commit/b2df3679564d0daa2856213bb307d3e34bd89a25"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/ikus060/rdiffweb"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/rdiffweb/PYSEC-2022-43002.yaml"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/b2dc504d-92ae-4221-a096-12ff223d95a8"
  }, {
    "type" : "WEB",
    "url" : "https://www.cve.org/CVERecord?id=CVE-2022-4314"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-269" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-12-15T17:31:47Z",
    "nvd_published_at" : "2022-12-12T18:15:00Z"
  }
}