GHSA-76wm-422q-92mq
Code injection in RubyGems
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| RubyGems | rubygems-update | >= 2.6.0, < 2.7.9 | 2.7.9 |
| RubyGems | rubygems-update | >= 3.0.0, < 3.0.2 | 3.0.2 |
Details
As written in the advisory (Markdown source, shown as plain text).
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.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2019-8324
- https://access.redhat.com/errata/RHSA-2019:1972
- 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-2019-8324.yml
- https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html