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)
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