High severity · published Jun 8, 2021
CVE-2021-22550
An attacker can modify the pointers in enclave memory to overwrite arbitrary memory addresses within the secure enclave
7.8
CVSS
0.1%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Asylo · Google
before 0.6.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22550
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22550
Patch
https://github.com/google/asylo/commit/a47ef55db2337d29de19c50cd29b0deb2871d31c
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