CVE-2018-12026
CRITICAL9.8EPSS 1.1%Phusion Passenger SpawningKit Contains Arbitrary Read/Write Vulnerability
Published: 5/14/2022Modified: 2/20/2024
Also known as:GHSA-7cv3-gvmc-8mq5
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.
Affected packages (1)
- RubyGems/passenger>= 5.3.0, < 5.3.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References (7)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2018-12026
- PATCHhttps://github.com/phusion/passenger
- WEBhttps://blog.phusion.nl/2018/06/12/passenger-5-3-2-various-security-fixes
- WEBhttps://blog.phusion.nl/passenger-5-3-2
- WEBhttps://github.com/phusion/passenger/commit/fd3717a3cd357aa0e80e1e81d4dc94a1eaf928f1
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/passenger/CVE-2018-12026.yml
- WEBhttps://security.gentoo.org/glsa/201807-02