CVE-2020-8935

An arbitrary memory overwrite vulnerability in Asylo versions up to 0.6.0 allow an attacker to make an Ecall_restore function call to reallocate untrusted code and overwrite sections of the Enclave memory address. We recommend updating your library.

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/google/asylo/commit/ed0926bff0e423cd122a18b3d2fc772817f66825	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-12-15 15:15

Updated : 2024-02-04 21:23

NVD link : CVE-2020-8935

Mitre link : CVE-2020-8935

CVE.ORG link : CVE-2020-8935

JSON object : View

Products Affected

google

asylo

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-787

Out-of-bounds Write

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