SB2020052605 - Multiple vulnerabilities in actionpack gem for Ruby

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Main Vulnerability Database SB2020052605

SB2020052605 - Multiple vulnerabilities in actionpack gem for Ruby

Published: May 26, 2020

Security Bulletin ID SB2020052605
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2020-8164)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the return value of "each", or "each_value", or "each_pair" will return the underlying "untrusted" hash of data that was read from the parameters. A remote attacker can gain unauthorized access to sensitive information on the system.


2) Cross-site request forgery (CVE-ID: CVE-2020-8166)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in the "authenticity_token" meta tag. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.


Remediation

Install update from vendor's website.

References