CVE-2018-12029

Description

A race condition in the nginx module in Phusion Passenger 3.x through 5.x before 5.3.2 allows local escalation of privileges when a non-standard passenger_instance_registry_dir with insufficiently strict permissions is configured. Replacing a file with a symlink after the file was created, but before it was chowned, leads to the target of the link being chowned via the path. Targeting sensitive files such as roots crontab file allows privilege escalation.

Risk Information

Base Score

7.0

MODERATE

Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score

Exploitation Probability

0.099

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2018-12029 are fixed in Ruby-passenger 5.3.2	Windows
Vulnerabilities CVE-2018-12029 are fixed in Ruby-passenger for Linux 5.3.2	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234