CVE-2014-9490: Sentry raven Denial of Service Vulnerability

MODERATE
Advisory Identifier: GHSA-c9c5-9fpr-m882
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CWE-400
Published
Advisory Summary

CVE-2014-9490 is a MODERATE denial of service vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting Sentry raven libraries in the RubyGems ecosystem. The issue involves sentry-raven allows remote attackers to cause a denial of service via a large exponent value in a scientific number. Remediation is available by upgrading affected packages to version 0.12.2.

CVE-2014-9490 at a Glance

CVE Identifier CVE-2014-9490
GHSA Identifier GHSA-c9c5-9fpr-m882
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-400: Uncontrolled Resource Consumption
Affected Product Sentry raven
Package Ecosystem RubyGems
Published Date
Last Updated

How to Fix CVE-2014-9490

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

sentry-raven fixed: 0.12.2 
Upgrade sentry-raven to 0.12.2
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 sentry-raven

How to Check if You Are Affected

To determine whether your application is affected by CVE-2014-9490, inspect your project dependencies for Sentry raven:

inspect dependencies for sentry-raven

Analyze the terminal output to locate any version of Sentry raven in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.12.2), 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-400: Uncontrolled Resource Consumption, where the product does not properly control the allocation and maintenance of a limited resource. In Sentry raven, 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 `numtok` function in `lib/raven/okjson.rb` in the raven-ruby gem before 0.12.2 for Ruby allows remote attackers to cause a denial of service via a large exponent value in a scientific number.

CVE-2014-9490 Affected Sentry raven Versions

1 component(s)
Fixed Versions:
0.12.2
Product / Package Ecosystem Affected Versions Fixed Version
sentry-raven
gem/sentry-raven
RubyGems
< 0.12.2
0.12.2

References

NVD — CVE-2014-9490 NVD
https://nvd.nist.gov/vuln/detail/CVE-2014-9490
Security Fix Commit FIX COMMIT
https://github.com/getsentry/raven-ruby/commit/477ee93a3f735be33bc1e726820654cdf6e22d8f
exchange.xforce.ibmcloud.com/vulnerabilities/996... WEB
https://exchange.xforce.ibmcloud.com/vulnerabilities/99687
Sentry raven Source Repository REPOSITORY
https://github.com/getsentry/raven-ruby
Sentry raven Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sentry-raven/CVE-2014-9490.yml
groups.google.com/forum/ WEB
https://groups.google.com/forum/#!topic/getsentry/Cz5bih0ZY1U
seclists.org/oss-sec/2015/q1/26 WEB
http://seclists.org/oss-sec/2015/q1/26

Frequently Asked Questions

What is CVE-2014-9490?
CVE-2014-9490 is a security vulnerability in Sentry raven involving sentry-raven allows remote attackers to cause a denial of service via a large exponent value in a scientific number under CWE-400: Uncontrolled Resource Consumption.
Which Sentry raven versions are affected?
Affected versions include releases prior to 0.12.2 across affected packages: sentry-raven.
What version fixes CVE-2014-9490?
Upgrading to 0.12.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is sentry-raven affected?
Yes, sentry-raven is affected in releases prior to 0.12.2. Upgrade your dependency to 0.12.2 or later.
What CWE is associated with CVE-2014-9490?
CVE-2014-9490 is classified under CWE-400: Uncontrolled Resource Consumption (The product does not properly control the allocation and maintenance of a limited resource.).
How can I check RubyGems dependencies for CVE-2014-9490?
Run the dependency tree command: 'inspect dependencies for sentry-raven'. 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-c9c5-9fpr-m882",
  "modified" : "2023-01-25T23:16:15Z",
  "published" : "2017-10-24T18:33:36Z",
  "aliases" : [ "CVE-2014-9490" ],
  "summary" : "sentry-raven allows remote attackers to cause a denial of service via a large exponent value in a scientific number",
  "details" : "The `numtok` function in `lib/raven/okjson.rb` in the raven-ruby gem before 0.12.2 for Ruby allows remote attackers to cause a denial of service via a large exponent value in a scientific number.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "sentry-raven"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.12.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2014-9490"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/getsentry/raven-ruby/commit/477ee93a3f735be33bc1e726820654cdf6e22d8f"
  }, {
    "type" : "WEB",
    "url" : "https://exchange.xforce.ibmcloud.com/vulnerabilities/99687"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/getsentry/raven-ruby"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sentry-raven/CVE-2014-9490.yml"
  }, {
    "type" : "WEB",
    "url" : "https://groups.google.com/forum/#!topic/getsentry/Cz5bih0ZY1U"
  }, {
    "type" : "WEB",
    "url" : "http://seclists.org/oss-sec/2015/q1/26"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-400" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-06-16T21:30:45Z",
    "nvd_published_at" : "2015-01-20T15:59:05Z"
  }
}