CVE-2018-10895 : What You Need to Know

CVE-2018-10895 is a critical vulnerability in qutebrowser versions prior to 1.4.1 that allows malicious websites to execute arbitrary code through a cross-site request forgery flaw.

Understanding CVE-2018-10895

This CVE identifies a security issue in qutebrowser that could lead to remote code execution.

What is CVE-2018-10895?

Versions of qutebrowser before 1.4.1 are susceptible to a vulnerability that enables malicious sites to access 'qute://*' URLs, potentially leading to the execution of arbitrary code.

The Impact of CVE-2018-10895

The vulnerability poses a critical threat with a CVSS base score of 9.3, allowing attackers to compromise confidentiality and integrity without requiring privileges.

Technical Details of CVE-2018-10895

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw in qutebrowser allows websites to exploit a cross-site request forgery flaw to access 'qute://*' URLs and execute arbitrary code by modifying 'editor.command'.

Affected Systems and Versions

Product: qutebrowser
Version: 1.4.1 and earlier

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
User Interaction: Required
Scope: Changed
Confidentiality Impact: High
Integrity Impact: High
Privileges Required: None
Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Mitigation and Prevention

Protecting systems from CVE-2018-10895 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update qutebrowser to version 1.4.1 or later.
Avoid visiting untrusted websites.
Monitor for any unusual behavior on the browser.

Long-Term Security Practices

Regularly update software and browsers.
Implement security measures to prevent CSRF attacks.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.