CVE-2022-4848: Github.com/usememos/memos Remote Code Execution Vulnerability

MODERATE
Advisory Identifier: GHSA-vh43-cc6x-prpr
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CVSS 5.7
CWE-940
Published
Advisory Summary

CVE-2022-4848 is a MODERATE (CVSS 5.7) remote code execution vulnerability (CWE-940: Improper Verification of Source of a Communication Channel) affecting Github.com/usememos/memos libraries in the Go ecosystem. The issue involves usememos/memos vulnerable to improper verification of source of a communication channel. Remediation is available by upgrading affected packages to version 0.9.1.

CVE-2022-4848 at a Glance

CVE Identifier CVE-2022-4848
GHSA Identifier GHSA-vh43-cc6x-prpr
Severity MODERATE
CVSS v3.1 Base Score 5.7
CWE Classification CWE-940: Improper Verification of Source of a Communication Channel
Affected Product Github.com/usememos/memos
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 5.7

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:R/S:U/C:N/I:H/A:N).

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

How to Fix CVE-2022-4848

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-2022-4848, 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-940: Improper Verification of Source of a Communication Channel, where the product establishes a communication channel to handle an incoming request that has been initiated by an actor, but it does not properly verify that the request is coming from the expected origin. 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

Improper Verification of Source of a Communication Channel in GitHub repository usememos/memos 0.9.0 and prior.

CVE-2022-4848 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-2022-4848 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-4848
Security Fix Commit FIX COMMIT
https://github.com/usememos/memos/commit/c9bb2b785dc5852655405d5c9ab127a2d5aa3948
Github.com/usememos/memos Source Repository REPOSITORY
https://github.com/usememos/memos
huntr.dev/bounties/25de88cc-8... WEB
https://huntr.dev/bounties/25de88cc-8d0d-41a1-b069-9ef1327770bc

Frequently Asked Questions

What is CVE-2022-4848?
CVE-2022-4848 is a security vulnerability in Github.com/usememos/memos involving usememos/memos vulnerable to Improper Verification of Source of a Communication Channel under CWE-940: Improper Verification of Source of a Communication Channel.
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-2022-4848?
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-2022-4848?
CVE-2022-4848 has a CVSS v3.1 base score of 5.7 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N.
What CWE is associated with CVE-2022-4848?
CVE-2022-4848 is classified under CWE-940: Improper Verification of Source of a Communication Channel (The product establishes a communication channel to handle an incoming request that has been initiated by an actor, but it does not properly verify that the request is coming from the expected origin.).
How can I check Go dependencies for CVE-2022-4848?
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-vh43-cc6x-prpr",
  "modified" : "2023-01-10T15:48:04Z",
  "published" : "2022-12-29T18:30:24Z",
  "aliases" : [ "CVE-2022-4848" ],
  "summary" : "usememos/memos vulnerable to Improper Verification of Source of a Communication Channel",
  "details" : "Improper Verification of Source of a Communication Channel in GitHub repository usememos/memos 0.9.0 and prior.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N"
  } ],
  "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-2022-4848"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/usememos/memos/commit/c9bb2b785dc5852655405d5c9ab127a2d5aa3948"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/usememos/memos"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/25de88cc-8d0d-41a1-b069-9ef1327770bc"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-940" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-12-30T22:51:51Z",
    "nvd_published_at" : "2022-12-29T18:15:00Z"
  }
}