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.
Published 2019-05-14 20:29:03
Updated 2024-07-02 17:01:20
View at NVD,   CVE.org
Vulnerability category: OverflowExecute code

CVE-2019-3568 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
WhatsApp VOIP Stack Buffer Overflow Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
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.
Added on 2022-04-19 Action due date 2022-05-10

Exploit prediction scoring system (EPSS) score for CVE-2019-3568

2.27%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-3568

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
9.8
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST 2024-07-02

CWE ids for CVE-2019-3568

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: nvd@nist.gov (Primary)
  • 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().
    Assigned by: cve-assign@fb.com (Secondary)

References for CVE-2019-3568

Products affected by CVE-2019-3568

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