CVE-2019-11419

low-risk

Published 2019-05-14

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.

Do I need to act?

1.1% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

1 public exploit available

46853

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Wechat

Affected Vendors

Tencent

References (6)

Third Party Advisory http://packetstormsecurity.com/files/152947/WeChat-7.0.4-Denial-Of-Service.html

Exploit https://awakened1712.github.io/hacking/hacking-wechat-dos/

Exploit https://www.exploit-db.com/exploits/46853

Third Party Advisory http://packetstormsecurity.com/files/152947/WeChat-7.0.4-Denial-Of-Service.html

Exploit https://awakened1712.github.io/hacking/hacking-wechat-dos/

Exploit https://www.exploit-db.com/exploits/46853

/ 100

low-risk

Severity 18/34 · Moderate

Exploitability 3/34 · Minimal

Exposure 5/34 · Minimal