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Vulnerability Details : CVE-2019-8320

A Directory Traversal issue was discovered in RubyGems 2.7.6 and later through 3.0.2. Before making new directories or touching files (which now include path-checking code for symlinks), it would delete the target destination. If that destination was hidden behind a symlink, a malicious gem could delete arbitrary files on the user's machine, presuming the attacker could guess at paths. Given how frequently gem is run as sudo, and how predictable paths are on modern systems (/tmp, /usr, etc.), this could likely lead to data loss or an unusable system.
Publish Date : 2019-06-06 Last Update Date : 2019-06-11
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- CVSS Scores & Vulnerability Types

CVSS Score
8.8
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Directory traversal
CWE ID 22

- Products Affected By CVE-2019-8320

# Product Type Vendor Product Version Update Edition Language
1 Application Rubygems Rubygems 2.7.6 Version Details Vulnerabilities
2 Application Rubygems Rubygems 3.0.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Rubygems Rubygems 2

- References For CVE-2019-8320

https://access.redhat.com/errata/RHSA-2019:1429
REDHAT RHSA-2019:1429
https://blog.rubygems.org/2019/03/05/security-advisories-2019-03.html CONFIRM
https://hackerone.com/reports/317321

- Metasploit Modules Related To CVE-2019-8320

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
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