CVE-2018-12615
The MITRE CVE dictionary describes this issue as:
An issue was discovered in switchGroup() in agent/ExecHelper/ExecHelperMain.cpp in Phusion Passenger before 5.3.2. The set of groups (gidset) is not set correctly, leaving it up to randomness (i.e., uninitialized memory) which supplementary groups are actually being set while lowering privileges.
Find out more about CVE-2018-12615 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This issue did not affect the versions of rubygem-passenger as shipped with Red Hat Update Infrastructure as they did not include the vulnerable code, which was introduced in a newer version of the package.
CVSS v3 metrics
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | Low |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Satellite 6 | rubygem-passenger | Not affected |
| Red Hat Ceph Storage 1.3 | rubygem-passenger | Will not fix |
| Red Hat Ceph Storage 1.3 | ruby193-rubygem-passenger | Will not fix |
CVE description copyright © 2017, The MITRE Corporation