CVE-2020-8944 - CVE House
Back to Database
Status published Medium CVE-2020-8944

Unchecked buffer overrun in ecall_restore

Vulnerability Description

An arbitrary memory write vulnerability in Asylo versions up to 0.6.0 allows an untrusted attacker to make a call to ecall_restore using the attribute output which fails to check the range of a pointer. An attacker can use this pointer to write to arbitrary memory addresses including those within the secure enclave We recommend upgrading past commit 382da2b8b09cbf928668a2445efb778f76bd9c8a

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-8944

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

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

References

More from Google LLC

View All →
CVE-2022-3474
Bazel leaks user credentials through the remote assets API
Medium 5.1
CVE-2022-3421
Privilege escalation in Google Drive for Desktop on MacOS
Medium 5.6
CVE-2022-3171
Memory handling vulnerability in ProtocolBuffers Java core and lite
Medium 4.3
CVE-2022-3095
Incorrect parsing of the backslash characters in Dart library
Critical 9.8
CVE-2022-2390
Mutable pending intent in Google Play services SDK
Medium 6.1

Affected Vendor

Affected Software

Asylo
Vulnerable Versions:
unspecified

Timeline

Official Publish: December 15th, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

Weaknesses (CWE)

CWE-120

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control