CVE-2020-36644: Inline svg Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-p33q-4h4m-j994
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CVSS 6.1
CWE-79
Published
Advisory Summary

CVE-2020-36644 is a MODERATE (CVSS 6.1) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Inline svg libraries in the RubyGems ecosystem. The issue involves inline svg vulnerable to cross-site scripting. Remediation is available by upgrading affected packages to version 1.7.2.

CVE-2020-36644 at a Glance

CVE Identifier CVE-2020-36644
GHSA Identifier GHSA-p33q-4h4m-j994
Severity MODERATE
CVSS v3.1 Base Score 6.1
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Inline svg
Package Ecosystem RubyGems
Published Date
Last Updated

Security Impact

CVSS: 6.1

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:C/C:L/I:L/A:N).

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

How to Fix CVE-2020-36644

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

inline_svg fixed: 1.7.2 
Upgrade inline_svg to 1.7.2
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 inline_svg

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-36644, inspect your project dependencies for Inline svg:

inspect dependencies for inline_svg

Analyze the terminal output to locate any version of Inline svg in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.7.2), 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-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Inline svg, 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

A vulnerability has been found in jamesmartin Inline SVG up to 1.7.1 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file `lib/inline_svg/action_view/helpers.rb` of the component `URL Parameter Handler`. The manipulation of the argument filename leads to cross site scripting. The attack can be launched remotely. Upgrading to version 1.7.2 is able to address this issue. The name of the patch is f5363b351508486021f99e083c92068cf2943621. It is recommended to upgrade the affected component. The identifier VDB-217597 was assigned to this vulnerability.

CVE-2020-36644 Affected Inline svg Versions

1 component(s)
Fixed Versions:
1.7.2
Product / Package Ecosystem Affected Versions Fixed Version
inline_svg
gem/inline_svg
RubyGems
< 1.7.2
1.7.2

References

NVD — CVE-2020-36644 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36644
Inline svg Source Repository REPOSITORY
https://github.com/jamesmartin/inline_svg/pull/117
Security Fix Commit FIX COMMIT
https://github.com/jamesmartin/inline_svg/commit/f5363b351508486021f99e083c92068cf2943621
Inline svg Source Repository REPOSITORY
https://github.com/jamesmartin/inline_svg
Inline svg Release RELEASE
https://github.com/jamesmartin/inline_svg/releases/tag/v1.7.2
Inline svg Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/inline_svg/CVE-2020-36644.yml
vuldb.com/ WEB
https://vuldb.com/?ctiid.217597
vuldb.com/ WEB
https://vuldb.com/?id.217597

Frequently Asked Questions

What is CVE-2020-36644?
CVE-2020-36644 is a security vulnerability in Inline svg involving Inline SVG vulnerable to Cross-site Scripting under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Inline svg versions are affected?
Affected versions include releases prior to 1.7.2 across affected packages: inline_svg.
What version fixes CVE-2020-36644?
Upgrading to 1.7.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is inline_svg affected?
Yes, inline_svg is affected in releases prior to 1.7.2. Upgrade your dependency to 1.7.2 or later.
What is the CVSS score of CVE-2020-36644?
CVE-2020-36644 has a CVSS v3.1 base score of 6.1 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2020-36644?
CVE-2020-36644 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check RubyGems dependencies for CVE-2020-36644?
Run the dependency tree command: 'inspect dependencies for inline_svg'. 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-p33q-4h4m-j994",
  "modified" : "2023-01-12T18:51:20Z",
  "published" : "2023-01-07T12:30:14Z",
  "aliases" : [ "CVE-2020-36644" ],
  "summary" : "Inline SVG vulnerable to Cross-site Scripting",
  "details" : "A vulnerability has been found in jamesmartin Inline SVG up to 1.7.1 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file `lib/inline_svg/action_view/helpers.rb` of the component `URL Parameter Handler`. The manipulation of the argument filename leads to cross site scripting. The attack can be launched remotely. Upgrading to version 1.7.2 is able to address this issue. The name of the patch is f5363b351508486021f99e083c92068cf2943621. It is recommended to upgrade the affected component. The identifier VDB-217597 was assigned to this vulnerability.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "inline_svg"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.7.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-36644"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/jamesmartin/inline_svg/pull/117"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/jamesmartin/inline_svg/commit/f5363b351508486021f99e083c92068cf2943621"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/jamesmartin/inline_svg"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/jamesmartin/inline_svg/releases/tag/v1.7.2"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/inline_svg/CVE-2020-36644.yml"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?ctiid.217597"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?id.217597"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-01-09T21:54:19Z",
    "nvd_published_at" : "2023-01-07T10:15:00Z"
  }
}