sudo: Race condition when checking digests in sudoers
Published Oct 10, 2017
7.0
HIGHCVSS 3.0
EPSS 0.54%
Description
The SHA-2 digest support in the sudoers plugin in sudo after 1.8.7 allows local users with write permissions to parts of the called command to replace them before it is executed.
Affected products
No data.
- 1.8.8
- 1.8.8
- 1.8.8
- 1.8.8
- 1.8.8
- 1.8.9
- 1.8.9
- 1.8.9
- 1.8.9
- 1.8.9
- 1.8.9
- 1.8.9
- 1.8.9
- 1.8.9
- 1.8.9
- 1.8.10
- 1.8.10
- 1.8.10
- 1.8.10
- 1.8.10
- 1.8.10
- 1.8.10
- 1.8.10
- 1.8.10
- 1.8.10
- 1.8.10
- 1.8.11
- 1.8.11
- 1.8.11
- 1.8.11
- 1.8.11
- 1.8.11
- 1.8.11
- 1.8.11
- 1.8.11
- 1.8.12
- 1.8.12
- 1.8.12
- 1.8.12
- 1.8.12
- 1.8.12
- 1.8.13
- 1.8.13
- 1.8.13
- 1.8.13
- 1.8.13
- 1.8.13
- 1.8.13
- 1.8.14
- 1.8.14
- 1.8.14
- 1.8.14
- 1.8.14
- 1.8.14
- 1.8.14
- 1.8.14
- 1.8.14
- 1.8.15
- 1.8.15
- 1.8.15
- 1.8.15
- 1.8.15
- 1.8.15
- 1.8.15
- 1.8.15
- 1.8.15
No data.
Red Hat Enterprise Linux 5
sudo
Not affected
Red Hat Enterprise Linux 6
sudo
Not affected
Red Hat Enterprise Linux 7
sudo
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | sudo | Not affected | n/a |
| Red Hat Enterprise Linux 6 | sudo | Not affected | n/a |
| Red Hat Enterprise Linux 7 | sudo | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:M/Au:N/C:C/I:C/A:C
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 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.54% (0.00542) | 43.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.54% (0.00542) | 41.05th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.88% (0.00876) | 73.19th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.57% (0.06572) | 84.84th | v4 (v2025.03.14) |
| Mar 28, 2025 | 0.88% (0.00876) | 73.20th | v4 (v2025.03.14) |
| Mar 27, 2025 | 6.57% (0.06572) | 89.82th | v4 (v2025.03.14) |
| Mar 20, 2025 | 0.88% (0.00876) | 73.28th | v4 (v2025.03.14) |
| Mar 19, 2025 | 6.57% (0.06572) | 89.98th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.88% (0.00876) | 73.69th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.67% (0.01669) | 76.02th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.67% (0.01669) | 75.98th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.67% (0.01669) | 73.93th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.67% (0.01669) | 53.27th | v2 (v2022.01.01) |
References (8)
- http://www.openwall.com/lists/oss-security/2015/11/18/22 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2015-8239 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1283635 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8239
- https://www.cve.org/CVERecord?id=CVE-2015-8239
- https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://www.sudo.ws/repos/sudo/rev/24a3d9215c64 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://www.sudo.ws/repos/sudo/rev/397722cdd7ec x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2015/11/18/22 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2015-8239 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1283635 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-8239 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-8239 | ||
| https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://www.sudo.ws/repos/sudo/rev/24a3d9215c64 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://www.sudo.ws/repos/sudo/rev/397722cdd7ec | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory |
Change history (0)
No recorded changes yet.