Enclave memory overwrite/overread vulnerability in Asylo UntrustedCacheMalloc::GetBuffer
CVE-2021-22550

6.5MEDIUM

Key Information:

Vendor
Google
Status
Asylo
Vendor
CVE Published:
8 June 2021

Summary

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 Version(s)

Asylo <= 0.6.1

References

https://github.com/google/asylo/commit/a47ef55db2337d29de...
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database

Credit

Qinkun Bao (Baidu Security)
Zhaofeng Chen (Baidu Security)
Mingshen Sun (Baidu Security)
Kang Li (Baidu Security)
.