CVE-2021-22550: Enclave memory overwrite/overread vulnerability in Asylo UntrustedCacheMalloc::GetBuffer
First published: Fri Mar 12 2021(Updated: )
An attacker can modify the pointers in enclave memory to overwrite arbitrary memory addresses within the secure enclave. It is recommended to update past 0.6.3 or git commit https://github.com/google/asylo/commit/a47ef55db2337d29de19c50cd29b0deb2871d31c
Credit: cve-coordination@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Products | <0.6.3 |
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Frequently Asked Questions
What is the severity of CVE-2021-22550?
CVE-2021-22550 has a high severity as it allows attackers to overwrite arbitrary memory addresses within the secure enclave.
How do I fix CVE-2021-22550?
To fix CVE-2021-22550, update to version 0.6.3 or later of Google Asylo.
What software is affected by CVE-2021-22550?
CVE-2021-22550 affects Google Asylo versions prior to 0.6.3.
What is the impact of CVE-2021-22550?
The impact of CVE-2021-22550 is that it allows unauthorized modification of enclave memory, potentially compromising secure operations.
Who can exploit CVE-2021-22550?
An attacker with access to the enclave can exploit CVE-2021-22550 to alter memory addresses.
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