Certain input passed into the If-Modified-Since or Last-Modified headers will cause an 'illegal access' exception to be raised.

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• hapijs hapibefore 11.1.3

Versions reported by the vendor

Affected version ranges reported by the assigning authority (hackerone). Independent of NVD's CPE analysis and usually ahead of it.

• HackerOne hapi node module

  • <11.1.3affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Other highest-scoring records for the same primary product.

• CVE-2017-16013hapi is a web and services application framework.
  30Monitor
• CVE-2015-9243When server level, connection level or route level CORS configurations in hapi node module before 11.1.4 are combined and when a higher leve
  23Monitor
• CVE-2015-9236Hapi versions less than 11.0.0 implement CORS incorrectly and allowed for configurations that at best returned inconsistent headers and at w
  21Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

Code that parses nested structures sets no depth or size limit. A small input can turn into a disproportionate processing load.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1function expand(node) {2  return node.children.map(expand);3}

1const MAX_DEPTH = 32;2function expand(node, depth = 0) {3  if (depth > MAX_DEPTH) throw new Error("too deep");4  return node.children.map((c) => expand(c, depth + 1));5}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.