CVE-2023-0901: Pixelfed/pixelfed Pixelfed Allows User Enumeration Vulnerability

MODERATE
Advisory Identifier: GHSA-vjxx-jgcx-9fq2
Share
CVSS 5.3
CWE-200
Published
Advisory Summary

CVE-2023-0901 is a MODERATE (CVSS 5.3) pixelfed allows user enumeration vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Pixelfed/pixelfed libraries in the Packagist ecosystem. The issue involves pixelfed allows user enumeration via reset password functionality. Remediation is available in the latest vendor maintenance releases.

CVE-2023-0901 at a Glance

CVE Identifier CVE-2023-0901
GHSA Identifier GHSA-vjxx-jgcx-9fq2
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Affected Product Pixelfed/pixelfed
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.3

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:L/I:N/A:N).

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 Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2023-0901

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

pixelfed/pixelfed fixed: Latest secure release 
Upgrade pixelfed/pixelfed to Latest secure release
Verify Direct and Transitive Dependencies

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

inspect dependencies for pixelfed/pixelfed

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-0901, inspect your project dependencies for Pixelfed/pixelfed:

inspect dependencies for pixelfed/pixelfed

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

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In Pixelfed/pixelfed, 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

Exposure of Sensitive Information to an Unauthorized Actor in GitHub repository pixelfed/pixelfed 0.11.4 and prior.

CVE-2023-0901 Affected Pixelfed/pixelfed Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
pixelfed/pixelfed
 Packagist
≤ 0.11.4

References

NVD — CVE-2023-0901 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-0901
Security Fix Commit FIX COMMIT
https://github.com/pixelfed/pixelfed/commit/5b5f5bc38ca9ba39d0b7dacc3813fb899f71ba57
Pixelfed/pixelfed Source Repository REPOSITORY
https://github.com/pixelfed/pixelfed
huntr.dev/bounties/0327b1b2-6... WEB
https://huntr.dev/bounties/0327b1b2-6e7c-4154-a307-15f236571010

Frequently Asked Questions

What is CVE-2023-0901?
CVE-2023-0901 is a security vulnerability in Pixelfed/pixelfed involving Pixelfed allows user enumeration via reset password functionality under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor.
Which Pixelfed/pixelfed versions are affected?
Affected versions include releases prior to current release patches across affected packages: pixelfed/pixelfed.
What version fixes CVE-2023-0901?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is pixelfed/pixelfed affected?
Yes, pixelfed/pixelfed is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2023-0901?
CVE-2023-0901 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2023-0901?
CVE-2023-0901 is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor (The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.).
How can I check Packagist dependencies for CVE-2023-0901?
Run the dependency tree command: 'inspect dependencies for pixelfed/pixelfed'. 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-vjxx-jgcx-9fq2",
  "modified" : "2023-03-01T01:48:56Z",
  "published" : "2023-02-18T03:30:17Z",
  "aliases" : [ "CVE-2023-0901" ],
  "summary" : "Pixelfed allows user enumeration via reset password functionality",
  "details" : "Exposure of Sensitive Information to an Unauthorized Actor in GitHub repository pixelfed/pixelfed 0.11.4 and prior.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "pixelfed/pixelfed"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "0.11.4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-0901"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pixelfed/pixelfed/commit/5b5f5bc38ca9ba39d0b7dacc3813fb899f71ba57"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/pixelfed/pixelfed"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/0327b1b2-6e7c-4154-a307-15f236571010"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-02-22T00:04:32Z",
    "nvd_published_at" : "2023-02-18T01:15:00Z"
  }
}