THREATPORT/VULNERABILITY/CVE-2017-16516
HIGH SEVERITY

CVE-2017-16516

Yajl Ruby vulnerability

CVSS
7.5
EPSS
3.8%
EPSS pct
89th
Exploited
No known
In the yajl-ruby gem 1.3.0 for Ruby, when a crafted JSON file is supplied to Yajl::Parser.new.parse, the whole ruby process crashes with a SIGABRT in the yajl_string_decode function in yajl_encode.c. This results in the whole ruby process terminating and potentially a denial of service.
Affected vendor
Yajl Ruby Project
Affected product
Yajl Ruby
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-134 — Uncontrolled Format String
Published
2017-11-03

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 availability.

Its EPSS score of 3.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2017-16516

  • Confirm whether Yajl Ruby Project Yajl Ruby is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-16516.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-16516

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