CVE-2019-3568 is a vulnerability in WhatsApp
Published on May 14, 2019
A buffer overflow vulnerability in WhatsApp VOIP stack allowed remote code execution via specially crafted series of RTCP packets sent to a target phone number. The issue affects WhatsApp for Android prior to v2.19.134, WhatsApp Business for Android prior to v2.19.44, WhatsApp for iOS prior to v2.19.51, WhatsApp Business for iOS prior to v2.19.51, WhatsApp for Windows Phone prior to v2.18.348, and WhatsApp for Tizen prior to v2.18.15.
Known Exploited Vulnerability
This WhatsApp VOIP Stack Buffer Overflow Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. A buffer overflow vulnerability in WhatsApp VOIP stack allowed remote code execution via specially crafted series of RTCP packets sent to a target phone number.
The following remediation steps are recommended / required by May 10, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2019-3568 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
Products Associated with CVE-2019-3568
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Affected Versions
Facebook WhatsApp for Android:- Version 2.19.134 is affected.
- Version unspecified and below 2.19.134 is affected.
- Version 2.19.44 is affected.
- Version unspecified and below 2.19.134 is affected.
- Version 2.19.51 is affected.
- Version unspecified and below 2.19.51 is affected.
- Version 2.19.51 is affected.
- Version unspecified and below 2.19.51 is affected.
- Version 2.18.348 is affected.
- Version unspecified and below 2.18.348 is affected.
- Version 2.18.15 is affected.
- Version unspecified and below 2.18.15 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.