Main Vulnerability Database Vulnerabilities #VU46536

Out-of-bounds write in WhatsApp Messenger for Android and WhatsApp Business for Android - CVE-2020-1886

Published: September 9, 2020

Vulnerability identifier: #VU46536

CSH Severity: Medium

CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-1886

CWE-ID: CWE-787

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can trigger out-of-bounds write via a specially crafted video stream after receiving and answering a malicious video call and execute arbitrary code on the target system.

Affected software

WhatsApp Messenger for Android
WhatsApp Business for Android

How to mitigate CVE-2020-1886

Install updates from vendor's website.

WhatsApp Messenger for Android - update to 2.20.11
WhatsApp Business for Android - update to 2.20.2

External References

https://www.whatsapp.com/security/advisories/2020

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