SB2019051401 - Remote code execution in WhatsApp

Description

This security bulletin contains information about 1 vulnerability.

1) Buffer overflow (CVE-ID: CVE-2019-3568)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red

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

Install update from vendor's website.

References

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