ASA-2020-00046 – WhatsApp: A URL validation issue could have caused the recipient of a sticker message to load an image from a sender-controlled URL

Posted on by Allele Security Intelligence in Alerts

Allele Security Alert

ASA-2020-00046

Identifier(s)

ASA-2020-00046, CVE-2020-1890

Title

A URL validation issue could have caused the recipient of a sticker message to load an image from a sender-controlled URL

Vendor(s)

Facebook

Product(s)

Facebook WhatsApp

Affected version(s)

WhatsApp for Android versions before v2.20.11
WhatsApp Business for Android versions before v2.20.2

Fixed version(s)

WhatsApp for Android version v2.20.11
WhatsApp Business for Android version v2.20.2

Proof of concept

Unknown

Description

A URL validation issue in WhatsApp for Android prior to v2.20.11 and WhatsApp Business for Android prior to v2.20.2 could have caused the recipient of a sticker message containing deliberately malformed data to load an image from a sender-controlled URL without user interaction.

Technical details

Unknown

Credits

Unknown

Reference(s)

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

CVE-2020-1890
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1890

CVE-2020-1890
https://nvd.nist.gov/vuln/detail/CVE-2020-1890

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Last modified: September 9, 2020

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