ASA-2020-00047 – WhatsApp: A user controlled parameter used in video call could have allowed an out-of-bounds write on 32-bit devices


Allele Security Alert

ASA-2020-00047

Identifier(s)

ASA-2020-00047, CVE-2020-1891

Title

A user controlled parameter used in video call could have allowed an out-of-bounds write on 32-bit devices

Vendor(s)

Facebook

Product(s)

Facebook WhatsApp

Affected version(s)

WhatsApp for Android versions before v2.20.17
WhatsApp Business for Android versions before v2.20.7
WhatsApp for iPhone versions before v2.20.20
WhatsApp Business for iPhone versions before v2.20.20

Fixed version(s)

WhatsApp for Android version v2.20.17
WhatsApp Business for Android version v2.20.7
WhatsApp for iPhone version v2.20.20
WhatsApp Business for iPhone version v2.20.20

Proof of concept

Unknown

Description

A user controlled parameter used in video call in WhatsApp for Android prior to v2.20.17, WhatsApp Business for Android prior to v2.20.7, WhatsApp for iPhone prior to v2.20.20, and WhatsApp Business for iPhone prior to v2.20.20 could have allowed an out-of-bounds write on 32-bit devices.

Technical details

Unknown

Credits

Unknown

Reference(s)

WhatsApp Security Advisories
https://www.whatsapp.com/security/advisories/2020

CVE-2020-1891
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1891

CVE-2020-1891
https://nvd.nist.gov/vuln/detail/CVE-2020-1891

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Last modified: September 9, 2020

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