CVE-2022-4767: Github.com/usememos/memos Denial of Service Vulnerability

HIGH
Advisory Identifier: GHSA-33m8-f4hw-wm3q
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CVSS 7.5
CWE-400
Published
Advisory Summary

CVE-2022-4767 is a HIGH (CVSS 7.5) denial of service vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting Github.com/usememos/memos libraries in the Go ecosystem. The issue involves usememos/memos denial of service vulnerability. Remediation is available by upgrading affected packages to version 0.9.1.

CVE-2022-4767 at a Glance

CVE Identifier CVE-2022-4767
GHSA Identifier GHSA-33m8-f4hw-wm3q
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-400: Uncontrolled Resource Consumption
Affected Product Github.com/usememos/memos
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 7.5

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:N/I:N/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 None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix CVE-2022-4767

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-2022-4767, 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-400: Uncontrolled Resource Consumption, where the product does not properly control the allocation and maintenance of a limited resource. 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

Denial of Service in GitHub repository usememos/memos 0.9.0 and prior. A patch is available on the `main` branch at commit number f888c628408501daf639de07b90a72ab443b0f4c.

CVE-2022-4767 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-2022-4767 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-4767
Security Fix Commit FIX COMMIT
https://github.com/usememos/memos/commit/f888c628408501daf639de07b90a72ab443b0f4c
Github.com/usememos/memos Source Repository REPOSITORY
https://github.com/usememos/memos
huntr.dev/bounties/75b4a085-9... WEB
https://huntr.dev/bounties/75b4a085-923c-4ecc-bbf6-e049290db502

Frequently Asked Questions

What is CVE-2022-4767?
CVE-2022-4767 is a security vulnerability in Github.com/usememos/memos involving usememos/memos Denial of Service vulnerability under CWE-400: Uncontrolled Resource Consumption.
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-2022-4767?
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-2022-4767?
CVE-2022-4767 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2022-4767?
CVE-2022-4767 is classified under CWE-400: Uncontrolled Resource Consumption (The product does not properly control the allocation and maintenance of a limited resource.).
How can I check Go dependencies for CVE-2022-4767?
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-33m8-f4hw-wm3q",
  "modified" : "2023-01-10T15:38:13Z",
  "published" : "2022-12-27T15:30:18Z",
  "aliases" : [ "CVE-2022-4767" ],
  "summary" : "usememos/memos Denial of Service vulnerability",
  "details" : "Denial of Service in GitHub repository usememos/memos 0.9.0 and prior. A patch is available on the `main` branch at commit number f888c628408501daf639de07b90a72ab443b0f4c.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-2022-4767"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/usememos/memos/commit/f888c628408501daf639de07b90a72ab443b0f4c"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/usememos/memos"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/75b4a085-923c-4ecc-bbf6-e049290db502"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-400" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-12-30T17:48:50Z",
    "nvd_published_at" : "2022-12-27T15:15:00Z"
  }
}