CVE-2019-8321
First published: Mon Mar 25 2019(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| rubygems/rubygems-update | >=3.0.0<3.0.2 | 3.0.2 |
| rubygems/rubygems-update | >=2.6.0<2.7.9 | 2.7.9 |
| Rubygems Rubygems | >=2.6.0<=3.0.2 | |
| Debian Debian Linux | =9.0 | |
| openSUSE Leap | =15.0 | |
| openSUSE Leap | =15.1 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2019-8321
- https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- https://blog.rubygems.org/2019/03/05/security-advisories-2019-03.html
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2019-8321.yml
- https://github.com/advisories/GHSA-fr32-gr5c-xq5c (Advisory)
- https://hackerone.com/reports/317330
- https://bugs.ruby-lang.org/attachments/7669
- https://www.ruby-lang.org/en/news/2019/03/05/multiple-vulnerabilities-in-rubygems/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1692530
- https://access.redhat.com/errata/RHSA-2019:1148
- https://access.redhat.com/errata/RHSA-2019:1150
- https://access.redhat.com/errata/RHSA-2019:1429
- https://access.redhat.com/errata/RHSA-2020:2769
- https://bugzilla.redhat.com/show_bug.cgi?id=1692514
Frequently Asked Questions
What is CVE-2019-8321?
CVE-2019-8321 is a vulnerability in RubyGems 2.6 and later through 3.0.2 that allows escape sequence injection.
How severe is CVE-2019-8321?
CVE-2019-8321 has a severity rating of 7.5, which is considered high.
What software is affected by CVE-2019-8321?
RubyGems versions between 2.6 and 3.0.2, as well as rubygems/rubygems-update versions 2.6.0 to 2.7.9 are affected. Additionally, the vulnerability affects Rubygems in general and Debian Linux versions 9.0, openSUSE Leap versions 15.0 and 15.1.
How can I fix CVE-2019-8321?
To fix CVE-2019-8321, update RubyGems to version 3.0.2 or rubygems/rubygems-update to version 2.7.9.
Where can I find more information about CVE-2019-8321?
More information about CVE-2019-8321 can be found at the following references: [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-8321), [Debian LTS](https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html), [openSUSE](http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html).
- collector/github-advisory-latest
- alias/GHSA-fr32-gr5c-xq5c
- alias/CVE-2019-8321
- collector/github-advisory
- collector/nvd-index
- collector/nvd-cve
- agent/author
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- agent/first-publish-date
- collector/redhat-bugzilla
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- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/description
- agent/tags
- agent/trending
- package-manager/rubygems
- vendor/rubygems
- canonical/rubygems rubygems
- version/rubygems rubygems/2.6.0
- version/rubygems rubygems/3.0.2
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- vendor/opensuse
- canonical/opensuse leap
- version/opensuse leap/15.0
- version/opensuse leap/15.1