Security readout for executives and security teams
Plain-English summary
CVE-2017-16229 is a crash bug in the Ruby Ox gem 2.8.1. A specially crafted input passed to the SAX parser can crash the process. The business impact is most likely service disruption where applications parse untrusted XML-like input with Ox.
Executive priority
Prioritize remediation for internet-facing or business-critical Ruby services using Ox 2.8.1 with untrusted input. For internal-only uses, handle through normal dependency maintenance unless crash evidence appears.
Technical view
The source bundle describes a stack-based buffer over-read in Ox 2.8.1, specifically read_from_str in sax_buf.c when crafted input is supplied to sax_parse. No CVSS, CWE, patch version, or broader affected-version range is provided in the bundle.
Likely exposure
Exposure is most likely in Ruby applications that depend on Ox 2.8.1 and call sax_parse on attacker-controlled or untrusted input.
Exploitation context
The bundle cites a public GitHub issue and RubyGems version page, but does not show CISA KEV listing or active exploitation evidence. Treat this as publicly disclosed, not proven exploited in the wild.
Researcher notes
The available record is sparse: no CVSS vector, CWE, fixed version, or affected range beyond Ox 2.8.1 is included. Analysis should avoid assuming code execution; the described impact is process crash from buffer over-read.
Mitigation direction
- Inventory Ruby applications for Ox gem version 2.8.1.
- Check the Ox GitHub issue and RubyGems page for vendor remediation guidance.
- Avoid parsing untrusted input with affected sax_parse paths until remediated.
- Prioritize applications where parser crashes affect public services or job queues.
Validation and detection
- Review Gemfile.lock or dependency manifests for ox 2.8.1.
- Identify code paths that call Ox.sax_parse or equivalent SAX parsing.
- Confirm whether parsed input can be supplied by external users or partners.
- Check application logs for unexplained crashes during XML parsing.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2017-16229 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://rubygems.org/gems/ox/versions/2.8.1CVE reference · x_refsource_MISC
- https://github.com/ohler55/ox/issues/195CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.