Improper input validation in RubyGems - CVE-2017-0901

Vulnerability identifier: #VU8057

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Green

CVE-ID: CVE-2017-0901

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vendor: Ruby

Affected software:
RubyGems

The vulnerability allows a remote attacker to overwrite arbitrary files on the target system.

The weakness exists due to insufficient validation of user-supplied input. A remote attacker can trick the victim into installing a specially crafted RubyGem and overwrite arbitrary files.

Update to version 2.6.13.

• https://www.ruby-lang.org/en/news/2017/08/29/multiple-vulnerabilities-in-rubygems/