CVE-2022-1811: Publify core Publify Vulnerable To Cross Site Vulnerability

CRITICAL
Advisory Identifier: GHSA-3hwx-c6cp-q972
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CVSS 9.1
CWE-434 CWE-79
Published
Advisory Summary

CVE-2022-1811 is a CRITICAL (CVSS 9.1) publify vulnerable to cross site vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affecting Publify core libraries in the RubyGems ecosystem. The issue involves publify vulnerable to cross site scripting. Remediation is available by upgrading affected packages to version 9.2.9.

CVE-2022-1811 at a Glance

CVE Identifier CVE-2022-1811
GHSA Identifier GHSA-3hwx-c6cp-q972
Severity CRITICAL
CVSS v3.1 Base Score 9.1
CWE Classification CWE-434: Unrestricted Upload of File with Dangerous Type
Affected Product Publify core
Package Ecosystem RubyGems
Published Date
Last Updated

Security Impact

CVSS: 9.1

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L).

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

How to Fix CVE-2022-1811

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

publify_core fixed: 9.2.9 
Upgrade publify_core to 9.2.9
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 publify_core

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-1811, inspect your project dependencies for Publify core:

inspect dependencies for publify_core

Analyze the terminal output to locate any version of Publify core in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 9.2.9), 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-434: Unrestricted Upload of File with Dangerous Type, where the product allows the upload or transfer of dangerous file types that are automatically processed within its environment. In Publify core, 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

Unrestricted file upload allowed the attacker to manipulate the request and bypass the protection of HTML files using a text file. Stored XSS may be obtained.

CVE-2022-1811 Affected Publify core Versions

1 component(s)
Fixed Versions:
9.2.9
Product / Package Ecosystem Affected Versions Fixed Version
publify_core
gem/publify_core
RubyGems
< 9.2.9
9.2.9

References

NVD — CVE-2022-1811 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-1811
Security Fix Commit FIX COMMIT
https://github.com/publify/publify/commit/0fb6b027fbaf17f6a6551f2148482a03eac12927
Publify core Source Repository REPOSITORY
https://github.com/publify/publify
Publify core Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/publify_core/CVE-2022-1811.yml
huntr.dev/bounties/4d97f665-c... WEB
https://huntr.dev/bounties/4d97f665-c9f1-4c38-b774-692255a7c44c

Frequently Asked Questions

What is CVE-2022-1811?
CVE-2022-1811 is a security vulnerability in Publify core involving Publify vulnerable to cross site scripting under CWE-434: Unrestricted Upload of File with Dangerous Type.
Which Publify core versions are affected?
Affected versions include releases prior to 9.2.9 across affected packages: publify_core.
What version fixes CVE-2022-1811?
Upgrading to 9.2.9 (or the latest patched release for your respective branch) resolves the vulnerability.
Is publify_core affected?
Yes, publify_core is affected in releases prior to 9.2.9. Upgrade your dependency to 9.2.9 or later.
What is the CVSS score of CVE-2022-1811?
CVE-2022-1811 has a CVSS v3.1 base score of 9.1 (CRITICAL) with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L.
What CWE is associated with CVE-2022-1811?
CVE-2022-1811 is classified under CWE-434: Unrestricted Upload of File with Dangerous Type (The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.).
How can I check RubyGems dependencies for CVE-2022-1811?
Run the dependency tree command: 'inspect dependencies for publify_core'. 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-3hwx-c6cp-q972",
  "modified" : "2023-08-25T21:59:12Z",
  "published" : "2022-05-24T00:01:35Z",
  "aliases" : [ "CVE-2022-1811" ],
  "summary" : "Publify vulnerable to cross site scripting",
  "details" : "Unrestricted file upload allowed the attacker to manipulate the request and bypass the protection of HTML files using a text file. Stored XSS may be obtained.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "publify_core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "9.2.9"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-1811"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/publify/publify/commit/0fb6b027fbaf17f6a6551f2148482a03eac12927"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/publify/publify"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/publify_core/CVE-2022-1811.yml"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/4d97f665-c9f1-4c38-b774-692255a7c44c"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-434", "CWE-79" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-06-03T22:17:16Z",
    "nvd_published_at" : "2022-05-23T16:16:00Z"
  }
}