Vulnerabilities in pkg:gem/ox

PACKAGE
Advisory Identifier: GHSA-wfwm-chj7-w59r
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Advisory Summary

CVE-2017-16229 is a MODERATE (CVSS 5.5) ox gem stack overflow vulnerability (CWE-125: Out-of-bounds Read) affecting Ox libraries in the RubyGems ecosystem. The issue involves ox gem stack overflow in sax_parse. Remediation is available by upgrading affected packages to version 2.8.2.

2 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:gem/ox

2 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:gem/ox. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-wfwm-chj7-w59r CVE-2017-16229 MODERATE Ox gem stack overflow in sax_parse
GHSA-pjj4-w39g-pw54 CVE-2017-15928 HIGH Ox gem crashes due to a crafted input

CVE-2017-16229 at a Glance

CVE Identifier CVE-2017-16229
GHSA Identifier GHSA-wfwm-chj7-w59r
Severity MODERATE
CVSS v3.1 Base Score 5.5
CWE Classification CWE-125: Out-of-bounds Read
Affected Product Ox
Package Ecosystem RubyGems
Published Date
Last Updated

Security Impact

CVSS: 5.5

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

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

How to Fix CVE-2017-16229

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

ox fixed: 2.8.2 
Upgrade ox to 2.8.2
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 ox

How to Check if You Are Affected

To determine whether your application is affected by CVE-2017-16229, inspect your project dependencies for Ox:

inspect dependencies for ox

Analyze the terminal output to locate any version of Ox in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.8.2), 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-125: Out-of-bounds Read, where the product reads data past the end, or before the beginning, of the intended buffer. In Ox, 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

In the Ox gem 2.8.1 for Ruby, the process crashes with a stack-based buffer over-read in the `read_from_str` function in `sax_buf.c` when a crafted input is supplied to `sax_parse`.

CVE-2017-16229 Affected Ox Versions

1 component(s)
Fixed Versions:
2.8.2
Product / Package Ecosystem Affected Versions Fixed Version
ox
gem/ox
RubyGems
< 2.8.2
2.8.2

References

NVD — CVE-2017-16229 NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-16229
Ox Source Repository REPOSITORY
https://github.com/ohler55/ox/issues/195
Ox Source Repository REPOSITORY
https://github.com/ohler55/ox
Ox Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ox/CVE-2017-16229.yml
rubygems.org/gems/ox/versions/2.... WEB
https://rubygems.org/gems/ox/versions/2.8.1

Frequently Asked Questions

What is CVE-2017-16229?
CVE-2017-16229 is a security vulnerability in Ox involving Ox gem stack overflow in sax_parse under CWE-125: Out-of-bounds Read.
Which Ox versions are affected?
Affected versions include releases prior to 2.8.2 across affected packages: ox.
What version fixes CVE-2017-16229?
Upgrading to 2.8.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is ox affected?
Yes, ox is affected in releases prior to 2.8.2. Upgrade your dependency to 2.8.2 or later.
What is the CVSS score of CVE-2017-16229?
CVE-2017-16229 has a CVSS v3.1 base score of 5.5 (MODERATE) with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2017-16229?
CVE-2017-16229 is classified under CWE-125: Out-of-bounds Read (The product reads data past the end, or before the beginning, of the intended buffer.).
How can I check RubyGems dependencies for CVE-2017-16229?
Run the dependency tree command: 'inspect dependencies for ox'. 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-wfwm-chj7-w59r",
  "modified" : "2023-08-29T14:59:54Z",
  "published" : "2018-03-05T18:29:32Z",
  "aliases" : [ "CVE-2017-16229" ],
  "summary" : "Ox gem stack overflow in sax_parse",
  "details" : "In the Ox gem 2.8.1 for Ruby, the process crashes with a stack-based buffer over-read in the `read_from_str` function in `sax_buf.c` when a crafted input is supplied to `sax_parse`.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "ox"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.8.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2017-16229"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/ohler55/ox/issues/195"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/ohler55/ox"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ox/CVE-2017-16229.yml"
  }, {
    "type" : "WEB",
    "url" : "https://rubygems.org/gems/ox/versions/2.8.1"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-125" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-06-16T22:00:13Z",
    "nvd_published_at" : null
  }
}