Unchecked buffer overrun in ecall_restore
Published Dec 15, 2020
5.5
MEDIUMCVSS 3.1
EPSS 0.16%
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
Affected products
-
- Version unspecifiedStatusaffectedConstraints<=0.6.0
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Google LLC | Asylo | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
We recommend upgrading past commit 382da2b8b09cbf928668a2445efb778f76bd9c8a
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
1 other source (CVE.org) ▾
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
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 (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.16% (0.00158) | 4.30th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.16% (0.00158) | 5.37th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.40% (0.01404) | 49.02th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.77% (0.00765) | 20.97th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.17% (0.00171) | 0.00th | v1 |
References (1)
- https://github.com/google/asylo/commit/382da2b8b09cbf928668a2445efb778f76bd9c8a x_refsource_CONFIRMExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/google/asylo/commit/382da2b8b09cbf928668a2445efb778f76bd9c8a | x_refsource_CONFIRMExploitThird Party Advisory |
Change history (0)
No recorded changes yet.