Vulnerability in Phusion Passenger

CVE-2018-12028

An Incorrect Access Control vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows a Passenger-managed malicious application, upon spawning a child process, to report an arbitrary different PID back to Passenger's process manager. If the malicious application then generates an error, it would cause Passenger's process manager to kill said reported arbitrary PID.

EPSS: 0.009 (56.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_MISC, Mitigation, Vendor Advisory)
  • cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2018-12028?
CVE-2018-12028 is a high-severity vulnerability in Phusion Passenger, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2018-06-17.
How severe is CVE-2018-12028?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-12028 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.