CVE-2020-27874

High

Description

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductTencent Wechat
PublishedFeb 10, 2021
First seenFeb 10, 2021

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
tencent wechat7.0.18—

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CVE-2020-27874 · Tencent Wechat · Dark Radar