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CVE-2019-8324

Good to know:

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Date: June 17, 2019

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.

Language: Ruby

Severity Score

Related Resources (11)

https://security-tracker.debian.org/tracker/CVE-2019-8324
https://blog.rubygems.org/2019/03/05/security-advisories-2019-03.html
https://access.redhat.com/security/cve/CVE-2019-8324
https://access.redhat.com/errata/RHSA-2019:1972
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
https://nvd.nist.gov/vuln/detail/CVE-2019-8324
https://security.alpinelinux.org/vuln/CVE-2019-8324
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2019-8324.yml
https://hackerone.com/reports/328571
https://www.mend.io/vulnerability-database/CVE-2019-8324

Severity Score

Weakness Type (CWE)

Improper Control of Generation of Code ('Code Injection')

CWE-94

Improper Input Validation

CWE-20

Top Fix

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Upgrade Version

Upgrade to version rubygems-update - 3.0.2;rubygems-update - 2.7.9

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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