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Security Advisories: GSA_kwCzR0hTQS00Mjg0LWpmaGMtZjg1NM4AASqQ

Phusion Passenger incorrect permission assignment

An issue was discovered in switchGroup() in agent/ExecHelper/ExecHelperMain.cpp in Phusion Passenger before 5.3.2. The set of groups (gidset) is not set correctly, leaving it up to randomness (i.e., uninitialized memory) which supplementary groups are actually being set while lowering privileges.

Permalink: https://github.com/advisories/GHSA-4284-jfhc-f854
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS00Mjg0LWpmaGMtZjg1NM4AASqQ
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: almost 2 years ago
Updated: about 1 year ago


CVSS Score: 5.3
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Identifiers: GHSA-4284-jfhc-f854, CVE-2018-12615
References: Repository: https://github.com/phusion/passenger
Blast Radius: 18.7

Affected Packages

rubygems:passenger
Dependent packages: 24
Dependent repositories: 3,332
Downloads: 26,842,723 total
Affected Version Ranges: < 5.3.2
Fixed in: 5.3.2
All affected versions: 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.1.2, 2.1.3, 2.2.0, 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.2.5, 2.2.6, 2.2.7, 2.2.8, 2.2.9, 2.2.10, 2.2.11, 2.2.12, 2.2.13, 2.2.14, 2.2.15, 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.0.10, 3.0.11, 3.0.12, 3.0.13, 3.0.14, 3.0.15, 3.0.17, 3.0.18, 3.0.19, 3.0.21, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6, 4.0.7, 4.0.8, 4.0.10, 4.0.13, 4.0.14, 4.0.16, 4.0.17, 4.0.18, 4.0.19, 4.0.20, 4.0.21, 4.0.23, 4.0.24, 4.0.25, 4.0.26, 4.0.27, 4.0.28, 4.0.29, 4.0.30, 4.0.31, 4.0.32, 4.0.33, 4.0.34, 4.0.35, 4.0.36, 4.0.37, 4.0.38, 4.0.39, 4.0.40, 4.0.41, 4.0.42, 4.0.43, 4.0.44, 4.0.45, 4.0.46, 4.0.48, 4.0.49, 4.0.50, 4.0.51, 4.0.52, 4.0.53, 4.0.55, 4.0.56, 4.0.57, 4.0.58, 4.0.59, 4.0.60, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.0.6, 5.0.7, 5.0.8, 5.0.9, 5.0.10, 5.0.11, 5.0.13, 5.0.14, 5.0.15, 5.0.16, 5.0.17, 5.0.18, 5.0.19, 5.0.20, 5.0.21, 5.0.22, 5.0.23, 5.0.24, 5.0.25, 5.0.26, 5.0.27, 5.0.28, 5.0.29, 5.0.30, 5.1.0, 5.1.1, 5.1.2, 5.1.3, 5.1.4, 5.1.5, 5.1.6, 5.1.7, 5.1.8, 5.1.9, 5.1.10, 5.1.11, 5.1.12, 5.2.0, 5.2.1, 5.2.2, 5.2.3, 5.3.0, 5.3.1
All unaffected versions: 5.3.2, 5.3.3, 5.3.4, 5.3.5, 5.3.6, 5.3.7, 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.6, 6.0.7, 6.0.8, 6.0.9, 6.0.10, 6.0.11, 6.0.12, 6.0.13, 6.0.14, 6.0.15, 6.0.16, 6.0.17, 6.0.18, 6.0.19, 6.0.20