CVE-2018-12615
unknown
CVSS v3
—
CVSS v2
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VIR risk
—
Description
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.
Predictions
Exploit likelihood
30%
Patch ETA
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Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-12615
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
References
- https://github.com/phusion/passenger/commit/4e97fdb86d0a0141ec9a052c6e691fcd07bb45c8
- https://nvd.nist.gov/vuln/detail/CVE-2018-12615
- https://github.com/phusion/passenger
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/passenger/CVE-2018-12615.yml
- https://security-tracker.debian.org/tracker/CVE-2018-12615
Verify integrity in audit chain (admin only). AS-IS.