A privilege escalation vulnerability was found in nagios 4.2.x that occurs in daemon-init.in when creating necessary files and insecurely changing the ownership afterwards. It's possible for the local attacker to create symbolic links before the files are to be created and possibly escalating the privileges with the ownership change.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-8641 from the MITRE CVE dictionary dictionary and NIST NVD.
Red Hat OpenStack Platform versions 5, 6 and 7 are now in Phase 2 of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat OpenStack Platform Life Cycle: https://access.redhat.com/support/policy/updates/openstack/platform/
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 4.4 |
|---|---|
| Base Metrics | AV:L/AC:M/Au:N/C:P/I:P/A:P |
| Access Vector | Local |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 6.7 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H |
| Attack Vector | Local |
| Attack Complexity | High |
| Privileges Required | Low |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | High |
| Availability Impact | High |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Mobile Application Platform On-Premise 4 | nagios | Not affected |
| Red Hat Gluster Storage 3.1 | nagios | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | nagios | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | nagios | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) | nagios | Will not fix |
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