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Vulnerability Details :

CVE-2020-8935

Summary
Assigner-Google
Assigner Org ID-14ed7db2-1595-443d-9d34-6215bf890778
Published At-15 Dec, 2020 | 14:55
Updated At-04 Aug, 2024 | 10:12
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Google
Assigner Org ID:14ed7db2-1595-443d-9d34-6215bf890778
Published At:15 Dec, 2020 | 14:55
Updated At:04 Aug, 2024 | 10:12
Rejected At:
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
Google LLCGoogle LLC
Product
Asylo
Versions
Affected
  • From unspecified through 0.6.0 (custom)
Problem Types
TypeCWE IDDescription
textN/AArbitrary Memory overwrite in Ecall_restore
Type: text
CWE ID: N/A
Description: Arbitrary Memory overwrite in Ecall_restore
Metrics
VersionBase scoreBase severityVector
3.15.3MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Qinkun Bao (Baidu Security)
Zhaofeng Chen (Baidu Security)
Mingshen Sun (Baidu Security)
Kang Li (Baidu Security)
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/google/asylo/commit/ed0926bff0e423cd122a18b3d2fc772817f66825
x_refsource_CONFIRM
Hyperlink: https://github.com/google/asylo/commit/ed0926bff0e423cd122a18b3d2fc772817f66825
Resource:
x_refsource_CONFIRM
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/google/asylo/commit/ed0926bff0e423cd122a18b3d2fc772817f66825
x_refsource_CONFIRM
x_transferred
Hyperlink: https://github.com/google/asylo/commit/ed0926bff0e423cd122a18b3d2fc772817f66825
Resource:
x_refsource_CONFIRM
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve-coordination@google.com
Published At:15 Dec, 2020 | 15:15
Updated At:21 Jul, 2021 | 11:39

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Secondary3.15.3MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
Primary2.04.6MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
Type: Primary
Version: 2.0
Base score: 4.6
Base severity: MEDIUM
Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
CPE Matches
Google LLC
google
>>asylo>>Versions up to 0.6.0(inclusive)
cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-119Primarynvd@nist.gov
CWE-787Primarynvd@nist.gov
CWE ID: CWE-119
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-787
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/google/asylo/commit/ed0926bff0e423cd122a18b3d2fc772817f66825cve-coordination@google.com
Patch
Third Party Advisory
Hyperlink: https://github.com/google/asylo/commit/ed0926bff0e423cd122a18b3d2fc772817f66825
Source: cve-coordination@google.com
Resource:
Patch
Third Party Advisory

Change History

0
Information is not available yet

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