CVE-2013-4164

Ruby vulnerability

CVSS

6.8

EPSS

35.0%

EPSS pct

98th

Exploited

No known

Heap-based buffer overflow in Ruby 1.8, 1.9 before 1.9.3-p484, 2.0 before 2.0.0-p353, 2.1 before 2.1.0 preview2, and trunk before revision 43780 allows context-dependent attackers to cause a denial of service (segmentation fault) and possibly execute arbitrary code via a string that is converted to a floating point value, as demonstrated using (1) the to_f method or (2) JSON.parse.

Affected vendor

Ruby Lang

Affected product

Ruby

CVSS vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2013-11-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 35.0% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2013-4164

Confirm whether Ruby Lang Ruby is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2013-4164.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-4164

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