SB2021070316 - openEuler 20.03 LTS SP1 update for rubygem-bundler

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Insufficient verification of data authenticity (CVE-ID: CVE-2020-36327)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient verification of data authenticity in Bundler, when  choosing a dependency source. The application selects a dependency source based on the highest gem version number, which means that a rogue gem found at a public source may be chosen, even if the intended choice was a private gem that is a dependency of another private gem that is explicitly depended on by the application.

2) Input validation error (CVE-ID: CVE-2021-24105)

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Package Managers Configurations. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1258