Quantum Secular Labs / Blog / Advisories
CVE-2017-1000037: Rvm Project: Command injection
CVE-2017-1000037 is rated critical with a CVSS v3.0 base score of 9.8 and affects Rvm Project. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability description
RVM automatically loads environment variables from files in $PWD resulting in command execution RVM vulnerable to command injection when automatically loading environment variables from files in $PWD RVM automatically executes hooks located in $PWD resulting in code execution RVM automatically installs gems as specified by files in $PWD resulting in code execution RVM automatically does "bundle install" on a Gemfile specified by .versions.conf in $PWD resulting in code execution
Severity breakdown
CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Affected products
- Rvm Project: up to and including 1.28.0