CVE-2021-21790 Information disclosure in IOBit
A local attacker can exploit a driver flaw in IOBit Advanced SystemCare to read sensitive kernel memory via crafted I/O requests.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-21790?
CVE-2021-21790 is a medium-severity vulnerability in IOBit, published on 5 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An information disclosure vulnerability exists in the the way IOBit Advanced SystemCare Ultimate 14.2.0.220 driver handles Privileged I/O read requests. A specially crafted I/O request packet (IRP) can lead to privileged reads in the context of a driver which can result in sensitive information disclosure from the kernel. The IN instruction can read two bytes from the given I/O device, potentially leaking sensitive device data to unprivileged users.
Weakness: CWE-782
Which versions are affected by CVE-2021-21790?
It affects 1 product.
Products include Iobit Advanced Systemcare Ultimate.
How do I fix CVE-2021-21790?
No fix has been published for CVE-2021-21790 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-21790 being exploited?
There is no known exploitation of CVE-2021-21790 in the wild and no public exploit code.
Other vulnerabilities in IOBit
Sources
Also known as GHSA-7qwq-qrqh-hx2m.