Remote code execution in WhatsApp

Published: 2019-05-14 | Updated: 2019-05-14
Severity Critical
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-3568
CWE ID CWE-119
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software WhatsApp Subscribe
Vendor WhatsApp

Security Advisory

This security advisory describes one critical risk vulnerability.

1) Buffer overflow

Severity: Critical

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] [PCI]

CVE-ID: CVE-2019-3568

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

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.

Mitigation

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.

Vulnerable software versions

WhatsApp: -

CPE External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.