CVE-2019-3568: WhatsApp VOIP Stack Buffer Overflow Vulnerability
CVE-2019-3568 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-04-19
A buffer overflow vulnerability in the WhatsApp VOIP stack allows remote code execution via a specially crafted series of RTCP packets. An attacker can trigger the flaw by sending these packets to a target phone number without requiring user interaction.
Yes. CVE-2019-3568 is known to be exploited in the wild, first recorded on 19 April 2022. Treat it as urgent.
How severe is CVE-2019-3568?
Critical severity, with a CVSS score of 9.8, published 19 April 2022.
Which products and versions are affected?
WhatsApp WhatsApp for Android prior to v2.19.134; WhatsApp WhatsApp Business for Android prior to v2.19.44; WhatsApp WhatsApp for iOS prior to v2.19.51; WhatsApp WhatsApp Business for iOS prior to v2.19.51; and 2 more.
Is there a fix for CVE-2019-3568?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2019-3568 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2019-3568?
Check whether you run Meta Platforms WhatsApp. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
WhatsApp WhatsApp for Android prior to v2.19.134
WhatsApp WhatsApp Business for Android prior to v2.19.44
WhatsApp WhatsApp for iOS prior to v2.19.51
WhatsApp WhatsApp Business for iOS prior to v2.19.51
WhatsApp WhatsApp for Windows Phone prior to v2.18.348
WhatsApp WhatsApp for Tizen prior to v2.18.15
Timeline
2019-05-14: disclosed: NVD Published Date
2022-04-19: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
2022-04-19: exploited: Reported as exploited in the wild