CVE-2021-34421 Retained exploded messages in Keybase Clients for Android and iOS
Attackers can recover sensitive data from Keybase mobile apps if exploded messages are not properly deleted when the app is backgrounded.
- 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-2021-34421?
CVE-2021-34421 is a low-severity vulnerability in Zoom Video Communications Inc Keybase Client for Android, published on 11 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Keybase Client for Android before version 5.8.0 and the Keybase Client for iOS before version 5.8.0 fails to properly remove exploded messages initiated by a user if the receiving user places the chat session in the background while the sending user explodes the messages. This could lead to disclosure of sensitive information which was meant to be deleted from the customer's device.
Weakness: CWE-459
Which versions are affected by CVE-2021-34421?
It affects 1 product.
Products include Keybase Keybase.
How do I fix CVE-2021-34421?
No fix has been published for CVE-2021-34421 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-34421 being exploited?
There is no known exploitation of CVE-2021-34421 in the wild and no public exploit code.
Other vulnerabilities in Zoom Video Communications Inc Keybase Client for Android
Sources
Also known as GHSA-9j45-jfq7-hc4v.