In Phusion Passenger before 5.1.0, a known /tmp filename was used during passenger-install-nginx-module execution, which could allow local attackers to gain the privileges of the passenger user.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-10345 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | High |
| Availability Impact | None |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-passenger40-passenger | Not affected |
| Red Hat Satellite 6 | ruby193-rubygem-passenger | Will not fix |
| Red Hat Satellite 6 | rubygem-passenger | Will not fix |
| Red Hat OpenShift Enterprise 2 | ruby200-rubygem-passenger | Will not fix |
| Red Hat OpenShift Enterprise 2 | rubygem-passenger | Will not fix |
| Red Hat OpenShift Enterprise 2 | ruby-193-rubygem-passenger | Will not fix |
| Red Hat Ceph Storage 1.3 | ruby193-rubygem-passenger | Not affected |
| Red Hat Ceph Storage 1.3 | rubygem-passenger | Not affected |
| OpenStack 6 Installer for RHEL 7 | rubygem-passenger | Will not fix |
| OpenStack 6 Installer for RHEL 7 | ruby193-rubygem-passenger | Will not fix |
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