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VULNERABILITIES

CVE-2018-12026 Details

Description

During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in turn can result in information disclosure and privilege escalation.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://blog.phusion.nl/passenger-5-3-2 CVEMitigationVendor Advisory
https://security.gentoo.org/glsa/201807-02 CVEThird Party Advisory
https://blog.phusion.nl/passenger-5-3-2 [email protected]MitigationVendor Advisory
https://security.gentoo.org/glsa/201807-02 [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-59Improper Link Resolution Before File Access ('Link Following')[email protected]

Affected Products

ProductVersions
phusion passenger
>= 5.3.0, < 5.3.2

CPE

  • cpe:2.3:a:phusion:passenger:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-12026
NVD Published Date:
Jun 17, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]