CVE-2022-4809: Github.com/usememos/memos Usememos/memos Improper Access Control Vulnerability Vulnerability

HIGH
Advisory Identifier: GHSA-6w5w-wx8w-2cq9
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CVSS 8.8
CWE-284
Published
Advisory Summary

CVE-2022-4809 is a HIGH (CVSS 8.8) usememos/memos improper access control vulnerability vulnerability (CWE-284: Improper Access Control) affecting Github.com/usememos/memos libraries in the Go ecosystem. The issue involves usememos/memos improper access control vulnerability. Remediation is available by upgrading affected packages to version 0.9.1.

CVE-2022-4809 at a Glance

CVE Identifier CVE-2022-4809
GHSA Identifier GHSA-6w5w-wx8w-2cq9
Severity HIGH
CVSS v3.1 Base Score 8.8
CWE Classification CWE-284: Improper Access Control
Affected Product Github.com/usememos/memos
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 8.8

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

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
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-2022-4809

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

github.com/usememos/memos fixed: 0.9.1 
Upgrade github.com/usememos/memos to 0.9.1
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 github.com/usememos/memos

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-4809, inspect your project dependencies for Github.com/usememos/memos:

inspect dependencies for github.com/usememos/memos

Analyze the terminal output to locate any version of Github.com/usememos/memos in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.9.1), 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-284: Improper Access Control, where the product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. In Github.com/usememos/memos, 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

usememos/memos 0.9.0 and prior is vulnerable to full account takeover via changing user name, email address, and display name.

CVE-2022-4809 Affected Github.com/usememos/memos Versions

1 component(s)
Fixed Versions:
0.9.1
Product / Package Ecosystem Affected Versions Fixed Version
github.com/usememos/memos
golang/github.com/usememos/memos
Go
< 0.9.1
0.9.1

References

NVD — CVE-2022-4809 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-4809
Security Fix Commit FIX COMMIT
https://github.com/usememos/memos/commit/3556ae4e651d9443dc3bb8a170dd3cc726517a53
Github.com/usememos/memos Source Repository REPOSITORY
https://github.com/usememos/memos
huntr.dev/bounties/e46c5380-a... WEB
https://huntr.dev/bounties/e46c5380-a590-40de-a8e5-79872ee0bb29

Frequently Asked Questions

What is CVE-2022-4809?
CVE-2022-4809 is a security vulnerability in Github.com/usememos/memos involving usememos/memos Improper Access Control vulnerability under CWE-284: Improper Access Control.
Which Github.com/usememos/memos versions are affected?
Affected versions include releases prior to 0.9.1 across affected packages: github.com/usememos/memos.
What version fixes CVE-2022-4809?
Upgrading to 0.9.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/usememos/memos affected?
Yes, github.com/usememos/memos is affected in releases prior to 0.9.1. Upgrade your dependency to 0.9.1 or later.
What is the CVSS score of CVE-2022-4809?
CVE-2022-4809 has a CVSS v3.1 base score of 8.8 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-4809?
CVE-2022-4809 is classified under CWE-284: Improper Access Control (The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.).
How can I check Go dependencies for CVE-2022-4809?
Run the dependency tree command: 'inspect dependencies for github.com/usememos/memos'. 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-6w5w-wx8w-2cq9",
  "modified" : "2023-01-10T15:43:07Z",
  "published" : "2022-12-28T15:30:46Z",
  "aliases" : [ "CVE-2022-4809" ],
  "summary" : "usememos/memos Improper Access Control vulnerability",
  "details" : "usememos/memos 0.9.0 and prior is vulnerable to full account takeover via changing user name, email address, and display name.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/usememos/memos"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.9.1"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 0.9.0"
    }
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-4809"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/usememos/memos/commit/3556ae4e651d9443dc3bb8a170dd3cc726517a53"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/usememos/memos"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/e46c5380-a590-40de-a8e5-79872ee0bb29"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-284" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-12-30T22:09:40Z",
    "nvd_published_at" : "2022-12-28T14:15:00Z"
  }
}