Vulnerability · Published Jun 8, 2021 · Assigned by Google
CVE-2021-22550Enclave memory overwrite/overread vulnerability in Asylo UntrustedCacheMalloc::GetBuffer
Medium 6.5
In plain English
A medium-severity security flaw in Asylo from Google LLC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.1%top 99.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Google LLC | Asylo | unspecified – through 0.6.1 |
Weakness: CWE-823 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L