CVE-2019-8324

Aliases:DEBIAN-CVE-2019-8324ALPINE-CVE-2019-8324
Advisory lineage Upstream: 0 Downstream: 20
Modified
Published: 17 Jun 2019, 18:59
Last modified:04 Aug 2024, 21:17

Vulnerability Summary

Overall Risk (default)
medium
36/100
CVSS Score
8.8 HIGH
v3.1 (nvd)
EPSS Score
3.22% LOW
3% probability +2.71%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 Jun 2019, 18:59
Published
Vulnerability first disclosed
04 Aug 2024, 21:17
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 3.22%• Percentile: 88%

Techniques & Countermeasures

  • CWE-94•Improper Control of Generation of Code ('Code Injection')

    The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Affected Systems

  • alpine•ruby

    < 2.4.6-r0 | < 2.4.6-r0 | < 2.5.5-r0 | < 2.5.5-r0

  • debian•jruby

    < 9.1.17.0-3 | < 9.1.17.0-3 | < 9.1.17.0-3

  • debian•rubygems

    < 3.2.0~rc.1-1 | < 3.2.0~rc.1-1 | < 3.2.0~rc.1-1 | < 3.2.0~rc.1-1

  • debian•debian_linux

    9.0

  • opensuse•leap

    15.0 | 15.1

  • redhat•enterprise_linux

    8.0

  • rubygems•rubygems

    ≥ 2.6.0, ≤ 3.0.2

References (6)