Installing a malicious gem may lead to arbitrary code execution
Published: March 05, 2019
SECURITY IDENTIFIERS
- CVE: CVE-2019-8324 (NVD)
- GHSA: GHSA-76wm-422q-92mq
- Vendor Advisory: https://blog.rubygems.org/2019/03/05/security-advisories-2019-03.html
GEM
LIBRARY
SEVERITY
CVSS v3.x: 8.8 (High)
UNAFFECTED VERSIONS
< 2.6
PATCHED VERSIONS
>= 3.0.3
~> 2.7.9
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.