CVE & CISA-KEV Catalog

CVE-2019-8324

HIGHEPSS 87th pctl
8.8
CVSS v3
NVD

Description

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.

How to fix

Remediation Available
jrubyDebian
Fixed in:9.1.17.0-3CVE-2019-8324
Fixed in:9.1.17.0-3CVE-2019-8324
Fixed in:9.1.17.0-3CVE-2019-8324
libruby1.9.1Ubuntu
Fixed in:1.9.3.484-2ubuntu1.14USN-3945-1
libruby2.0Ubuntu
Fixed in:2.0.0.484-1ubuntu2.13USN-3945-1
libruby2.3Ubuntu
Fixed in:2.3.1-2~16.04.12USN-3945-1
libruby2.5Ubuntu
Fixed in:2.5.1-1ubuntu1.2USN-3945-1
ruby1.9.1Ubuntu
Fixed in:1.9.3.484-2ubuntu1.14USN-3945-1
ruby1.9.3Ubuntu
Fixed in:1.9.3.484-2ubuntu1.14USN-3945-1
ruby2.0Ubuntu
Fixed in:2.0.0.484-1ubuntu2.13USN-3945-1
ruby2.3Ubuntu
Fixed in:2.3.1-2~16.04.12USN-3945-1
ruby2.5Ubuntu
Fixed in:2.5.1-1ubuntu1.2USN-3945-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

3.22%probability of exploitation in 30 days
87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2017-9841Critical9.8100%KEVFix
CVE-2015-1635Critical9.8100%KEV-
CVE-2022-22954Critical9.8100%KEV + Ransom-
CVE-2021-22204Medium6.8100%KEVFix
CVE-2025-3248Critical9.8100%KEVFix
CVE-2012-0158High8.8100%KEV-
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.