Use-after-free in WeChat - #VU58663

 

Use-after-free in WeChat - #VU58663

Published: December 8, 2021


Vulnerability identifier: #VU58663
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the WXAM Decoder. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.


Affected software

WeChat

Remediation

Install updates from vendor's website.

WeChat - update to 8.0.10

External References

Related Security Bulletins