THREATPORT/VULNERABILITY/CVE-2019-8324
HIGH SEVERITY

CVE-2019-8324

Rubygems vulnerability

CVSS
8.8
EPSS
3.2%
EPSS pct
87th
Exploited
No known
An issue was discovered in RubyGems 2.6 and later through 3.0.2. A crafted gem with a multi-line name is not handled correctly. Therefore, an attacker could inject arbitrary code to the stub line of gemspec, which is eval-ed by code in ensure_loadable_spec during the preinstall check.
Affected vendor
Rubygems
Affected product
Rubygems
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2019-06-17

Risk analysis

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

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2019-8324

  • Confirm whether Rubygems Rubygems is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-8324.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-8324

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-8324 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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