CVE-2021-36777 : Vulnerability Insights and Analysis

A detailed analysis of CVE-2021-36777, a vulnerability in the login proxy of openSUSE Build service that allows attackers to intercept user credentials.

Understanding CVE-2021-20657

This section delves into the specifics of the security flaw present in the openSUSE Build service login proxy.

What is CVE-2021-20657?

CVE-2021-36777 involves a Reliance on Untrusted Inputs in a Security Decision vulnerability allowing attackers to trick users into providing their credentials to a malicious server.

The Impact of CVE-2021-20657

The vulnerability poses a high severity threat with confidentiality and integrity impacts, potentially leading to unauthorized access and data compromise.

Technical Details of CVE-2021-20657

Explore the technical intricacies related to CVE-2021-36777 and how it affects systems and versions.

Vulnerability Description

The flaw in the login proxy scripts of the openSUSE Build service enables the submission of clear text credentials to an attacker-specified server.

Affected Systems and Versions

Versions prior to dc000cdfe9b9b715fb92195b1a57559362f689ef of the openSUSE Build service login-proxy-scripts are impacted by this vulnerability.

Exploitation Mechanism

Attackers can present users with a fake login form that appears legitimate but redirects submitted credentials to a malicious domain.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks associated with CVE-2021-36777 and safeguard your systems.

Immediate Steps to Take

Users are advised to update the affected versions to prevent exploitation of this vulnerability.

Long-Term Security Practices

Implementing secure coding practices, regular security assessments, and user awareness training can enhance overall security posture.

Patching and Updates

OpenSUSE Build service users should apply patches released by the vendor promptly to address this vulnerability.