CVE-2022-31115: Opensearch ruby Opensearch-ruby 2.x Before 2.0.2 Vulnerable Vulnerability

HIGH
Advisory Identifier: GHSA-977c-63xq-cgw3
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CVSS 8.8
CWE-502
Published
Advisory Summary

CVE-2022-31115 is a HIGH (CVSS 8.8) opensearch-ruby 2.x before 2.0.2 vulnerable vulnerability (CWE-502: Deserialization of Untrusted Data) affecting Opensearch ruby libraries in the RubyGems ecosystem. The issue involves opensearch-ruby 2.x before 2.0.2 vulnerable to unsafe yaml deserialization. Remediation is available by upgrading affected packages to version 2.0.2.

CVE-2022-31115 at a Glance

CVE Identifier CVE-2022-31115
GHSA Identifier GHSA-977c-63xq-cgw3
Severity HIGH
CVSS v3.1 Base Score 8.8
CWE Classification CWE-502: Deserialization of Untrusted Data
Affected Product Opensearch ruby
Package Ecosystem RubyGems
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:N/UI:R/S:U/C:H/I:H/A:H).

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

How to Fix CVE-2022-31115

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

opensearch-ruby fixed: 2.0.2 
Upgrade opensearch-ruby to 2.0.2
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 opensearch-ruby

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-31115, inspect your project dependencies for Opensearch ruby:

inspect dependencies for opensearch-ruby

Analyze the terminal output to locate any version of Opensearch ruby in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.0.2), 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-502: Deserialization of Untrusted Data, where the product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. In Opensearch ruby, 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

### Impact A YAML deserialization in opensearch-ruby 2.0.0 can lead to unsafe deserialization using YAML.load if the response is of type YAML. ### Patches The problem has been patched in opensearch-ruby gem version 2.0.2. ### Workarounds No viable workaround. Please upgrade to 2.0.2 ### References https://github.com/opensearch-project/opensearch-ruby/pull/77 https://staaldraad.github.io/post/2021-01-09-universal-rce-ruby-yaml-load-updated/ ### For more information If you have any questions or comments about this advisory: * Open an issue in [opensearch-ruby](https://github.com/opensearch-project/opensearch-ruby)

CVE-2022-31115 Affected Opensearch ruby Versions

1 component(s)
Fixed Versions:
2.0.2
Product / Package Ecosystem Affected Versions Fixed Version
opensearch-ruby
gem/opensearch-ruby
RubyGems
≥ 2.0.0
< 2.0.2
2.0.2

References

GitHub Advisory / Wiki ADVISORY
https://github.com/opensearch-project/opensearch-ruby/security/advisories/GHSA-977c-63xq-cgw3
NVD — CVE-2022-31115 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-31115
Opensearch ruby Source Repository REPOSITORY
https://github.com/opensearch-project/opensearch-ruby/pull/77
Security Fix Commit FIX COMMIT
https://github.com/opensearch-project/opensearch-ruby/commit/d74a98b45c037671e8819fa87f6a6423458ab08a
Opensearch ruby Source Repository REPOSITORY
https://github.com/opensearch-project/opensearch-ruby
Opensearch ruby Source Repository REPOSITORY
https://github.com/opensearch-project/opensearch-ruby/compare/v2.0.1...v2.0.2
Opensearch ruby Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/opensearch-ruby/CVE-2022-31115.yml
staaldraad.github.io/post/2021-01-09-uni... WEB
https://staaldraad.github.io/post/2021-01-09-universal-rce-ruby-yaml-load-updated

Frequently Asked Questions

What is CVE-2022-31115?
CVE-2022-31115 is a security vulnerability in Opensearch ruby involving opensearch-ruby 2.x before 2.0.2 vulnerable to unsafe YAML deserialization under CWE-502: Deserialization of Untrusted Data.
Which Opensearch ruby versions are affected?
Affected versions include releases prior to 2.0.2 across affected packages: opensearch-ruby.
What version fixes CVE-2022-31115?
Upgrading to 2.0.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is opensearch-ruby affected?
Yes, opensearch-ruby is affected in releases prior to 2.0.2. Upgrade your dependency to 2.0.2 or later.
What is the CVSS score of CVE-2022-31115?
CVE-2022-31115 has a CVSS v3.1 base score of 8.8 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-31115?
CVE-2022-31115 is classified under CWE-502: Deserialization of Untrusted Data (The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.).
How can I check RubyGems dependencies for CVE-2022-31115?
Run the dependency tree command: 'inspect dependencies for opensearch-ruby'. 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-977c-63xq-cgw3",
  "modified" : "2022-07-21T14:55:44Z",
  "published" : "2022-07-05T20:41:26Z",
  "aliases" : [ "CVE-2022-31115" ],
  "summary" : "opensearch-ruby 2.x before 2.0.2 vulnerable to unsafe YAML deserialization",
  "details" : "### Impact\nA YAML deserialization in opensearch-ruby 2.0.0 can lead to unsafe deserialization using YAML.load if the response is of type YAML.\n\n### Patches\nThe problem has been patched in opensearch-ruby gem version 2.0.2.\n\n### Workarounds\nNo viable workaround.  Please upgrade to 2.0.2\n\n### References\nhttps://github.com/opensearch-project/opensearch-ruby/pull/77\nhttps://staaldraad.github.io/post/2021-01-09-universal-rce-ruby-yaml-load-updated/\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [opensearch-ruby](https://github.com/opensearch-project/opensearch-ruby)\n",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "opensearch-ruby"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.0.0"
      }, {
        "fixed" : "2.0.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/opensearch-project/opensearch-ruby/security/advisories/GHSA-977c-63xq-cgw3"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-31115"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/opensearch-project/opensearch-ruby/pull/77"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/opensearch-project/opensearch-ruby/commit/d74a98b45c037671e8819fa87f6a6423458ab08a"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/opensearch-project/opensearch-ruby"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/opensearch-project/opensearch-ruby/compare/v2.0.1...v2.0.2"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/opensearch-ruby/CVE-2022-31115.yml"
  }, {
    "type" : "WEB",
    "url" : "https://staaldraad.github.io/post/2021-01-09-universal-rce-ruby-yaml-load-updated"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-502" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-07-05T20:41:26Z",
    "nvd_published_at" : "2022-06-30T22:15:00Z"
  }
}