CVE-2021-22550CWE-823

Enclave memory overwrite/overread vulnerability in Asylo UntrustedCacheMalloc::GetBuffer

Medium · published June 8, 2021

CVSS v3.1
6.5
EPSS
0%
Percentile
0.9
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00102 · 0.9th percentile
Weakness
CWE-823 · Use of Out-of-range Pointer Offset
Published
2021-06-08T13:15Z
EPSS history
Timeline
  • 08 JUN 13:15Z
    Enclave memory overwrite/overread vulnerability in Asylo UntrustedCacheMalloc::GetBuffer
    cvelistv5