CVE-2019-8321
RubyGems Escape sequence injection vulnerability in verbose
7.5
HIGH
CVSS 3.1
EPSS 0.32%
Description
An issue was discovered in RubyGems 2.6 and later through 3.0.2. Since Gem::UserInteraction#verbose calls say without escaping, escape sequence injection is possible.
How to fix CVE-2019-8321
To remediate CVE-2019-8321, upgrade the affected package to a fixed version below.
- Alpine/ruby—upgrade to 2.4.6-r0 or later
- —upgrade to 9.1.17.0-3 or later
- —upgrade to 3.2.0~rc.1-1 or later
- —upgrade to 2.7.9 or later
Is CVE-2019-8321 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 2.4.6-r0
- from 0, < 9.1.17.0-3
- from 0, < 3.2.0~rc.1-1
- >= 2.6.0, < 2.7.9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |