CVE-2020-1890 Server-side request forgery in WhatsApp Business for Android
Attackers can force WhatsApp Android users to load images from malicious URLs via malformed sticker data, potentially exposing internal network resources or user data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-1890?
CVE-2020-1890 is a high-severity server-side request forgery vulnerability in Facebook WhatsApp Business for Android, published on 3 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-20
Which versions are affected by CVE-2020-1890?
It affects 2 products.
Products include Whatsapp Whatsapp, Whatsapp Whatsapp Business.
How do I fix CVE-2020-1890?
No fix has been published for CVE-2020-1890 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2020-1890 being exploited?
There is no known exploitation of CVE-2020-1890 in the wild and no public exploit code.
Other vulnerabilities in Facebook WhatsApp Business for Android
Sources
Also known as GHSA-rxc8-w9g4-8cjw.