Published: 14/05/2019 Updated: 01/03/2023

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 435

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

vcodec2_hls_filter in libvoipCodec_v7a.so in the WeChat application up to and including 7.0.3 for Android allows malicious users to cause a denial of service (application crash) by replacing an emoji file (under the /sdcard/tencent/MicroMsg directory) with a crafted .wxgf file. The content of the replacement must be derived from the phone's IMEI. The crash occurs upon receiving a message that contains the replaced emoji.

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tencent wechat

# Exploit Title: DoS Wechat with an emoji # Date: 16-May-2019 # Exploit Author: Hong Nhat Pham # Vendor Homepage: wwwtencentcom/en-us/indexhtml # Software Link: playgooglecom/store/apps/details?id=comtencentmm # Version: 704 # Tested on: Android 90 # CVE : CVE-2019-11419 Description: vcodec2_hls_filter in libvoipCodec_v7a ...

CWE-476 https://awakened1712.github.io/hacking/hacking-wechat-dos/http://packetstormsecurity.com/files/152947/WeChat-7.0.4-Denial-Of-Service.html https://www.exploit-db.com/exploits/46853 https://nvd.nist.gov https://www.exploit-db.com/exploits/46853

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CVE-2019-11419

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