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CVE-2018-12029

Status Candidate

Overview

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 root's crontab file allows privilege escalation.

Related Files

Gentoo Linux Security Advisory 201807-02
Posted Jul 23, 2018
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201807-2 - Multiple vulnerabilities have been found in Passenger, the worst of which could result in the execution of arbitrary code. Versions less than 5.3.2 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2018-12026, CVE-2018-12027, CVE-2018-12028, CVE-2018-12029
SHA-256 | 483dd30a5ffe44e609e9e2685f457648ca98e8ec5baef6bf3fe2722dabeb81b7
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