Security readout for executives and security teams
Plain-English summary
CVE-2017-16115 is a denial-of-service weakness in the Node.js timespan module. Very large untrusted input can make the module spend excessive time in a regular expression, blocking the Node.js event loop and delaying all other requests handled by that process.
Executive priority
Treat this as a service availability risk, not a data breach issue. Prioritize internet-facing Node.js services or critical workflows that parse user-supplied duration text with this dependency.
Technical view
The source bundle describes a regular expression denial of service in all versions of the timespan Node module. The reported behavior is about 10 seconds of event-loop blocking when processing roughly 50k characters of untrusted input. The weakness maps to CWE-400, uncontrolled resource consumption.
Likely exposure
Exposure is likely where applications include the timespan module and pass user-controlled strings into its parsing or conversion logic. Internal-only use with trusted inputs is lower risk, but all listed versions are marked affected.
Exploitation context
The bundle does not cite active exploitation, and KEV is false. The practical impact is application-layer availability loss: repeated expensive inputs could degrade or interrupt a Node.js service by tying up its single event loop.
Researcher notes
Evidence is limited to the CVE description and linked advisories. No CVSS score, patched version, or confirmed exploitation is provided in the bundle. Validate exposure by dependency reachability, not by package presence alone.
Mitigation direction
- Inventory direct and transitive use of the timespan Node module.
- Check the CVE references and package guidance for supported remediation status.
- Avoid passing untrusted input into timespan parsing paths.
- Apply strict input size and format validation before any affected parsing.
- Replace the dependency where business-critical services rely on exposed parsing paths.
Validation and detection
- Search dependency manifests and lockfiles for the timespan package.
- Trace whether user-controlled request fields reach timespan parsing logic.
- Review API routes, forms, and background jobs that parse duration-like strings.
- Confirm monitoring can detect event-loop stalls and availability degradation.
- Document any exposed usage and compensating controls in the vulnerability record.
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.
CWE-400: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2017-16115 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://github.com/indexzero/TimeSpan.js/issues/10CVE reference · x_refsource_MISC
- https://nodesecurity.io/advisories/533CVE 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.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.