CVE-2009-5147

Ruby vulnerability

CVSS

7.3

EPSS

7.8%

EPSS pct

94th

Exploited

No known

DL::dlopen in Ruby 1.8, 1.9.0, 1.9.2, 1.9.3, 2.0.0 before patchlevel 648, and 2.1 before 2.1.8 opens libraries with tainted names.

Affected vendor

Ruby Lang

Affected product

Ruby

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2017-03-29

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 low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 7.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2009-5147

Confirm whether Ruby Lang Ruby is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-5147.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-5147

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