RCE in Rubygems
CVE-2019-8324
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.
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.032 (86.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Rubygems
- Debian Debian_linux — versions 9.0
- Opensuse Leap — versions 15.0, 15.1
- Redhat Enterprise_linux — versions 8.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Permissions Required, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-8324?
- CVE-2019-8324 is a high-severity vulnerability in Rubygems, classified under Code Injection. CVSS score: 8.8/10. Published 2019-06-17.
- How severe is CVE-2019-8324?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-8324 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.