HIGH
UnixAuthenticationService in Apache Ranger 1.2.0 was updated to correctly handle user input to avoid Stack-based buffer overflow
Published Oct 5, 2018
8.8
HIGHCVSS 3.0
EPSS 4.01%
Description
UnixAuthenticationService in Apache Ranger 1.2.0 was updated to correctly handle user input to avoid Stack-based buffer overflow. Versions prior to 1.2.0 should be upgraded to 1.2.0
Affected products
-
- Version prior to 1.2.0StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Ranger | n/a |
|
No data.
No Red Hat product state for this CVE.
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.
8.8 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
6.5 MEDIUM NVD
AV:N/AC:L/Au:S/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.01% 0.04011
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.04011
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 4.01% (0.04011) | 90.25th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.01% (0.04011) | 89.19th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.03% (0.01035) | 75.84th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.08% (0.01082) | 84.95th | v3 (v2023.03.01) |
| Sep 29, 2023 | 1.08% (0.01082) | 82.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.31% (0.01311) | 83.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.16% (0.01164) | 61.38th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.16% (0.01164) | 34.94th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.06% (0.03065) | 65.11th | v5 (v2026.06.15) |
| Apr 14, 2021 | 3.06% (0.03065) | 0.00th | v1 |
Weaknesses (1)
References (8)
- https://cwiki.apache.org/confluence/display/RANGER/Vulnerabilities+found+in+Ranger x_refsource_CONFIRMVendor Advisory
- https://github.com/advisories/GHSA-c99h-fgqm-6679 Advisory
- https://lists.apache.org/thread.html/r04bc435a92911de4b52d2b98f169bd7cf2e8bbeb53b03788df8f932c%40%3Cdev.ranger.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r04bc435a92911de4b52d2b98f169bd7cf2e8bbeb53b03788df8f932c@%3Cdev.ranger.apache.org%3E
- https://lists.apache.org/thread.html/rd88077a781ef38f7687c100f93992f4dda8aa101925050c4af470998%40%3Cdev.ranger.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rd88077a781ef38f7687c100f93992f4dda8aa101925050c4af470998@%3Cdev.ranger.apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2018-11778
- https://seclists.org/oss-sec/2018/q4/11 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://cwiki.apache.org/confluence/display/RANGER/Vulnerabilities+found+in+Ranger | x_refsource_CONFIRMVendor Advisory | |
| https://github.com/advisories/GHSA-c99h-fgqm-6679 | Advisory | |
| https://lists.apache.org/thread.html/r04bc435a92911de4b52d2b98f169bd7cf2e8bbeb53b03788df8f932c%40%3Cdev.ranger.apache.org%3E | mailing-listx_refsource_MLIST | |
| https://lists.apache.org/thread.html/r04bc435a92911de4b52d2b98f169bd7cf2e8bbeb53b03788df8f932c@%3Cdev.ranger.apache.org%3E | ||
| https://lists.apache.org/thread.html/rd88077a781ef38f7687c100f93992f4dda8aa101925050c4af470998%40%3Cdev.ranger.apache.org%3E | mailing-listx_refsource_MLIST | |
| https://lists.apache.org/thread.html/rd88077a781ef38f7687c100f93992f4dda8aa101925050c4af470998@%3Cdev.ranger.apache.org%3E | ||
| https://nvd.nist.gov/vuln/detail/CVE-2018-11778 | ||
| https://seclists.org/oss-sec/2018/q4/11 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apache
Published Oct 5, 2018
Updated Sep 17, 2024
Reserved Jun 5, 2018
Link CVE-2018-11778
CISA Vulnrichment
GHSA-C99H-FGQM-6679 Updated n/a