8.8
CWE
119
Advisory Published
Updated
Advisory Published

CVE-2020-27874: Tencent WeChat WXAM Decoder Out-Of-Bounds Access Remote Code Execution Vulnerability

First published: Wed Feb 10 2021(Updated: )

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Tencent WeChat 7.0.18. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the WXAM Decoder. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-11580.

Credit: zdi-disclosures@trendmicro.com

Affected SoftwareAffected VersionHow to fix
Tencent Wechat=7.0.18
Tencent Wechat

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 Tencent WeChat vulnerability?

    The vulnerability ID of this Tencent WeChat vulnerability is CVE-2020-27874.

  • What is the severity of CVE-2020-27874?

    CVE-2020-27874 has a severity score of 8.8, which is considered high.

  • Which versions of Tencent WeChat are affected by CVE-2020-27874?

    Tencent WeChat version 7.0.18 for Android is affected by CVE-2020-27874.

  • How can remote attackers exploit CVE-2020-27874?

    Remote attackers can exploit CVE-2020-27874 by tricking the target into visiting a malicious page or opening a malicious file.

  • Is user interaction required to exploit CVE-2020-27874?

    Yes, user interaction is required to exploit CVE-2020-27874.

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