THREATPORT/VULNERABILITY/CVE-2017-14064
CRITICAL SEVERITY

CVE-2017-14064

Ruby vulnerability

CVSS
9.8
EPSS
9.4%
EPSS pct
95th
Exploited
No known
Ruby through 2.2.7, 2.3.x through 2.3.4, and 2.4.x through 2.4.1 can expose arbitrary memory during a JSON.generate call. The issues lies in using strdup in ext/json/ext/generator/generator.c, which will stop after encountering a '\0' byte, returning a pointer to a string of length zero, which is not the length stored in space_len.
Affected vendor
Ruby Lang
Affected product
Ruby
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2017-08-31

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 9.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2017-14064

  • Confirm whether Ruby Lang Ruby is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-14064.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-14064

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