Out-of-bounds write in WhatsApp products - CVE-2020-1894

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Main Vulnerability Database Vulnerabilities #VU46540

Out-of-bounds write in WhatsApp products - CVE-2020-1894

Published: September 9, 2020


Vulnerability identifier: #VU46540
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-1894
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: WhatsApp
Affected software:
WhatsApp Messenger for Android
WhatsApp Business for Android
WhatsApp Messenger for iOS
WhatsApp Business for iPhone

Detailed vulnerability description

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 trick a victim to play a specially crafted push to talk message, trigger out-of-bounds write and execute arbitrary code on the target system.


How to mitigate CVE-2020-1894

Install updates from vendor's website.

Sources