CVE-2019-8324

moderate-risk
Published 2019-06-17

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.

Do I need to act?

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0.50% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (5)

Rubygems

Affected Vendors

Debian Redhat Opensuse Rubygems

References (8)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:1972
Permissions Required https://hackerone.com/reports/328571
Mailing List https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:1972
Permissions Required https://hackerone.com/reports/328571
Mailing List https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
44
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 2/34 · Minimal
Exposure 12/34 · Low