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.

Vulnerability/
CVE-2020-27874

high

8.8

CWE

119

10/2/2021

18/10/2021

29/4/2024

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 Software	Affected Version	How to fix
Tencent Wechat	=7.0.18
Tencent Wechat

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Reference Links

https://www.zerodayinitiative.com/advisories/ZDI-21-084/

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.

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