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CVE-2019-11419

5.5 · MEDIUM

vcodec2_hls_filter in libvoipCodec_v7a.so in the WeChat application through 7.0.3 for Android allows attackers to cause a denial of service (application crash) by replacing an emoji file (under the…

Published May 14, 2019CWE-476EPSS 4.03%

Overview

CVE-2019-11419 is a medium-severity vulnerability. It was published on May 14, 2019 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

vcodec2_hls_filter in libvoipCodec_v7a.so in the WeChat application through 7.0.3 for Android allows attackers 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/152947/WeChat-7.0.4-Denial-Of-Service.htmlRefawakened1712.github.io/hacking/hacking-wechat-dos/Refwww.exploit-db.com/exploits/46853Refpacketstormsecurity.com/files/152947/WeChat-7.0.4-Denial-Of-Service.htmlRefawakened1712.github.io/hacking/hacking-wechat-dos/Refwww.exploit-db.com/exploits/46853

How CyberStrike helps

Frequently asked questions

What is CVE-2019-11419?

CVE-2019-11419 is a medium-severity vulnerability. It was published on May 14, 2019 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2019-11419?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-11419?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-11419?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-11419 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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