Remote code execution in WhatsApp

Published: 2019-05-14 10:01:37 | Updated: 2019-05-14
Severity Critical
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-3568
CVSSv3 9.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CWE ID CWE-119
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software WhatsApp
Vulnerable software versions WhatsApp -
Vendor URL WhatsApp

Security Advisory

1) Buffer overflow

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the WhatsApp VOIP stack when processing SRTCP packets. A remote attacker can send a series of specially crafted SRTCP packets sent to a target phone number, trigger buffer overflow and execute arbitrary code on the target device.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note: this vulnerability is being actively exploited in the wild.

Remediation

The vulnerability affects the following software:
  • WhatsApp for Android: versions prior to 2.19.134
  • WhatsApp Business for Android: versions prior to 2.19.44
  • WhatsApp for iOS: versions prior to 2.19.51
  • WhatsApp Business for iOS: versions prior to 2.19.51
  • WhatsApp for Windows Phone: versions prior to prior to 2.18.348
  • WhatsApp for Tizen: versions prior to v2.18.15

To fix the vulnerability, install the latest software version.

External links

https://www.timesofisrael.com/israeli-company-nso-group-suspected-of-hacking-whatsapp/
https://www.facebook.com/security/advisories/cve-2019-3568

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