Skip to content

insecure temporary directory usage in passenger

Moderate severity GitHub Reviewed Published Oct 24, 2017 to the GitHub Advisory Database • Updated Jun 9, 2023

Package

bundler passenger (RubyGems)

Affected versions

< 4.0.6

Patched versions

4.0.6

Description

ext/common/ServerInstanceDir.h in Phusion Passenger gem before 4.0.6 for Ruby allows local users to gain privileges or possibly change the ownership of arbitrary directories via a symlink attack on a directory with a predictable name in /tmp/.

References

Published to the GitHub Advisory Database Oct 24, 2017
Reviewed Jun 16, 2020
Last updated Jun 9, 2023

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(15th percentile)

Weaknesses

Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Learn more on MITRE.

CVE ID

CVE-2013-4136

GHSA ID

GHSA-w6rc-q387-vpgq

Source code

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.