CVE-2017-0905: Recurly Remote Code Execution Vulnerability

CRITICAL
Advisory Identifier: GHSA-x27v-x225-gq8g
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CVSS 9.8
CWE-918
Published
Advisory Summary

CVE-2017-0905 is a CRITICAL (CVSS 9.8) remote code execution vulnerability (CWE-918: Server-Side Request Forgery (SSRF)) affecting Recurly libraries in the RubyGems ecosystem. The issue involves recurly gem server-side request forgery in resource#find method. Remediation is available by upgrading affected packages to version 2.3.10, 2.2.5, 2.1.11, 2.0.13, 2.9.2, 2.8.2, 2.7.8, 2.6.3, 2.5.4, 2.4.11, 2.11.3, 2.10.4.

CVE-2017-0905 at a Glance

CVE Identifier CVE-2017-0905
GHSA Identifier GHSA-x27v-x225-gq8g
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-918: Server-Side Request Forgery (SSRF)
Affected Product Recurly
Package Ecosystem RubyGems
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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 None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2017-0905

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

recurly fixed: 2.3.10 
Upgrade recurly to 2.3.10
recurly fixed: 2.2.5 
Upgrade recurly to 2.2.5
recurly fixed: 2.1.11 
Upgrade recurly to 2.1.11
recurly fixed: 2.0.13 
Upgrade recurly to 2.0.13
recurly fixed: 2.9.2 
Upgrade recurly to 2.9.2
recurly fixed: 2.8.2 
Upgrade recurly to 2.8.2
recurly fixed: 2.7.8 
Upgrade recurly to 2.7.8
recurly fixed: 2.6.3 
Upgrade recurly to 2.6.3
recurly fixed: 2.5.4 
Upgrade recurly to 2.5.4
recurly fixed: 2.4.11 
Upgrade recurly to 2.4.11
recurly fixed: 2.11.3 
Upgrade recurly to 2.11.3
recurly fixed: 2.10.4 
Upgrade recurly to 2.10.4
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 recurly

How to Check if You Are Affected

To determine whether your application is affected by CVE-2017-0905, inspect your project dependencies for Recurly:

inspect dependencies for recurly

Analyze the terminal output to locate any version of Recurly in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.3.10), 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-918: Server-Side Request Forgery (SSRF), where the web server receives a url or similar request from an upstream component and retrieves the contents of this url, but it does not sufficiently ensure that the request is being sent to the expected destination. In Recurly, 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

The Recurly Client Ruby Library before 2.0.13, 2.1.11, 2.2.5, 2.3.10, 2.4.11, 2.5.4, 2.6.3, 2.7.8, 2.8.2, 2.9.2, 2.10.4, 2.11.3 is vulnerable to a Server-Side Request Forgery vulnerability in the `Resource#find` method that could result in compromise of API keys or other critical resources.

CVE-2017-0905 Affected Recurly Versions

12 component(s)
Fixed Versions:
2.3.102.2.52.1.112.0.132.9.22.8.22.7.82.6.32.5.42.4.112.11.32.10.4
Product / Package Ecosystem Affected Versions Fixed Version
recurly
gem/recurly
RubyGems
≥ 2.3.0
< 2.3.10
2.3.10
recurly
gem/recurly
RubyGems
≥ 2.2.0
< 2.2.5
2.2.5
recurly
gem/recurly
RubyGems
≥ 2.1.0
< 2.1.11
2.1.11
recurly
gem/recurly
RubyGems
≥ 2.0.0
< 2.0.13
2.0.13
recurly
gem/recurly
RubyGems
≥ 2.9.0
< 2.9.2
2.9.2
recurly
gem/recurly
RubyGems
≥ 2.8.0
< 2.8.2
2.8.2
recurly
gem/recurly
RubyGems
≥ 2.7.0
< 2.7.8
2.7.8
recurly
gem/recurly
RubyGems
≥ 2.6.0
< 2.6.3
2.6.3
recurly
gem/recurly
RubyGems
≥ 2.5.0
< 2.5.4
2.5.4
recurly
gem/recurly
RubyGems
≥ 2.4.0
< 2.4.11
2.4.11
recurly
gem/recurly
RubyGems
≥ 2.11.0
< 2.11.3
2.11.3
recurly
gem/recurly
RubyGems
≥ 2.10.0
< 2.10.4
2.10.4

References

NVD — CVE-2017-0905 NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-0905
Security Fix Commit FIX COMMIT
https://github.com/recurly/recurly-client-ruby/commit/1bb0284d6e668b8b3d31167790ed6db1f6ccc4be
hackerone.com/reports/288635 WEB
https://hackerone.com/reports/288635
Recurly Source Repository REPOSITORY
https://github.com/recurly/recurly-client-ruby
Recurly Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/recurly/CVE-2017-0905.yml

Frequently Asked Questions

What is CVE-2017-0905?
CVE-2017-0905 is a security vulnerability in Recurly involving Recurly gem Server-Side Request Forgery in Resource#find method under CWE-918: Server-Side Request Forgery (SSRF).
Which Recurly versions are affected?
Affected versions include releases prior to 2.3.10, 2.2.5, 2.1.11, 2.0.13, 2.9.2, 2.8.2, 2.7.8, 2.6.3, 2.5.4, 2.4.11, 2.11.3, 2.10.4 across affected packages: recurly.
What version fixes CVE-2017-0905?
Upgrading to 2.3.10, 2.2.5, 2.1.11, 2.0.13, 2.9.2, 2.8.2, 2.7.8, 2.6.3, 2.5.4, 2.4.11, 2.11.3, 2.10.4 (or the latest patched release for your respective branch) resolves the vulnerability.
Is recurly affected?
Yes, recurly is affected in releases prior to 2.3.10, 2.2.5, 2.1.11, 2.0.13, 2.9.2, 2.8.2, 2.7.8, 2.6.3, 2.5.4, 2.4.11, 2.11.3, 2.10.4. Upgrade your dependency to 2.3.10, 2.2.5, 2.1.11, 2.0.13, 2.9.2, 2.8.2, 2.7.8, 2.6.3, 2.5.4, 2.4.11, 2.11.3, 2.10.4 or later.
What is the CVSS score of CVE-2017-0905?
CVE-2017-0905 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2017-0905?
CVE-2017-0905 is classified under CWE-918: Server-Side Request Forgery (SSRF) (The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.).
How can I check RubyGems dependencies for CVE-2017-0905?
Run the dependency tree command: 'inspect dependencies for recurly'. 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-x27v-x225-gq8g",
  "modified" : "2023-08-29T15:38:45Z",
  "published" : "2017-12-06T16:43:00Z",
  "aliases" : [ "CVE-2017-0905" ],
  "summary" : "Recurly gem Server-Side Request Forgery in Resource#find method",
  "details" : "The Recurly Client Ruby Library before 2.0.13, 2.1.11, 2.2.5, 2.3.10, 2.4.11, 2.5.4, 2.6.3, 2.7.8, 2.8.2, 2.9.2, 2.10.4, 2.11.3 is vulnerable to a Server-Side Request Forgery vulnerability in the `Resource#find` method that could result in compromise of API keys or other critical resources.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "recurly"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.3.0"
      }, {
        "fixed" : "2.3.10"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "recurly"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.2.0"
      }, {
        "fixed" : "2.2.5"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "recurly"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.1.0"
      }, {
        "fixed" : "2.1.11"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "recurly"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
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      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "recurly"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.9.0"
      }, {
        "fixed" : "2.9.2"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "recurly"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.8.0"
      }, {
        "fixed" : "2.8.2"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "recurly"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.7.0"
      }, {
        "fixed" : "2.7.8"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "recurly"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.6.0"
      }, {
        "fixed" : "2.6.3"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "recurly"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.5.0"
      }, {
        "fixed" : "2.5.4"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "recurly"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.4.0"
      }, {
        "fixed" : "2.4.11"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "recurly"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.11.0"
      }, {
        "fixed" : "2.11.3"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "recurly"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.10.0"
      }, {
        "fixed" : "2.10.4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2017-0905"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/recurly/recurly-client-ruby/commit/1bb0284d6e668b8b3d31167790ed6db1f6ccc4be"
  }, {
    "type" : "WEB",
    "url" : "https://hackerone.com/reports/288635"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/recurly/recurly-client-ruby"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/recurly/CVE-2017-0905.yml"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-918" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-06-16T22:01:40Z",
    "nvd_published_at" : null
  }
}