CVE-2018-11778
UnixAuthenticationService in Apache Ranger was updated to correctly handle user input to avoid Stack-based buffer overflow
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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
- Record
CVE-2018-11778- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
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
- Record
CVE-2018-11778- Updated
- 2026-11-02
EUVDEUVD-2018-0573 No score
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
- Record
EUVD-2018-0573- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c99h-fgqm-6679
UnixAuthenticationService in Apache Ranger was updated to correctly handle user input to avoid Stack-based buffer overflow
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
- Record
GHSA-c99h-fgqm-6679- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
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
- Record
CVE-2018-11778- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-c99h-fgqm-6679
UnixAuthenticationService in Apache Ranger was updated to correctly handle user input to avoid Stack-based buffer overflow
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
- Record
GHSA-c99h-fgqm-6679- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.ranger:rangerMaven |
before 1.2.0 | 1.2.0 |
org.apache.ranger:rangerMaven |
before 1.2.0, plus listed versions 0.6.00.6.10.6.20.6.30.7.00.7.11.0.01.1.0 |
1.2.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-11778 is a high vulnerability (CVSS 8.8) in Apache Ranger, published October 5, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.01%, the 90th percentile. Fixed in org.apache.ranger:ranger 1.2.0.
References
cwiki.apache.org/confluence/display/RANGER/Vulnerabilities+found+in+Ranger
seclists.org/oss-sec/2018/q4/11
lists.apache.org/thread.html/r04bc435a92911de4b52d2b98f169bd7cf2e8bbeb53b03788df8f932c%40%3Cdev.ranger.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2018-11778
github.com/advisories/GHSA-c99h-fgqm-6679