HIGH
An issue was discovered in UC Berkeley RISE Opaque before 2018-12-01
Published Jan 24, 2019
7.5
HIGHCVSS 3.0
EPSS 1.39%
Description
An issue was discovered in UC Berkeley RISE Opaque before 2018-12-01. There is no boundary check on ocall_malloc. The return value could be a pointer to enclave memory. It could cause an arbitrary enclave memory write.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.39% 0.01385
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.01385
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.39% (0.01385) | 71.26th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.39% (0.01385) | 70.98th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.09% (0.00094) | 40.30th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.09% (0.00094) | 39.15th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.07% (0.00067) | 27.37th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.06% (0.00060) | 23.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00123) | 44.88th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://github.com/ucbrise/opaque/commit/5ddda15d89f5ac82f4416208c5319ace4aecdc36 x_refsource_MISCPatchThird Party Advisory
- https://github.com/ucbrise/opaque/issues/66 x_refsource_MISCExploitPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/ucbrise/opaque/commit/5ddda15d89f5ac82f4416208c5319ace4aecdc36 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/ucbrise/opaque/issues/66 | x_refsource_MISCExploitPatchThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 24, 2019
Updated Sep 17, 2024
Reserved Jan 23, 2019
Link CVE-2018-20742
CISA Vulnrichment
Updated n/a