CWE
732
Advisory Published
Updated
Advisory Published

CVE-2019-13321: (Pwn2Own) Xiaomi Browser Captive Portal WebView Authorization Bypass Vulnerability

First published: Mon Feb 10 2020(Updated: )

This vulnerability allows network adjacent attackers to execute arbitrary code on affected installations of Xiaomi Browser Prior to 10.4.0. User interaction is required to exploit this vulnerability in that the target must connect to a malicious access point. The specific flaw exists within the handling of HTTP responses to the Captive Portal. A crafted HTML response can cause the Captive Portal to to open a browser to a specified location without user interaction. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-7467.

Credit: zdi-disclosures@trendmicro.com

Affected SoftwareAffected VersionHow to fix
Xiaomi Browser
mi Mi browser<10.4.0

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID of this vulnerability is CVE-2019-13321.

  • What is the affected software?

    The affected software is Xiaomi Browser prior to version 10.4.0.

  • What is the severity of CVE-2019-13321?

    The severity of CVE-2019-13321 is high with a severity value of 8.

  • How does this vulnerability work?

    This vulnerability allows network adjacent attackers to execute arbitrary code on affected installations of Xiaomi Browser prior to version 10.4.0 by exploiting a flaw within the handling of captive portal WebView authorization.

  • Is user interaction required to exploit CVE-2019-13321?

    Yes, user interaction is required to exploit CVE-2019-13321 as the target must connect to a malicious access point.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203