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Ubuntu 16.04 ESM : Phusion Passenger vulnerabilities (USN-5261-1)

high Nessus Plugin ID 183544

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5261-1 advisory.

 It was discovered that Phusion Passenger incorrectly handled a file path in the application root folder.
 An attacker could possibly use this issue to read arbitrary files. (CVE-2017-16355)

 It was discovered that Phusion Passenger had a race condition in the nginx module that could be used to perform a symlink attack. An attacker could possibly use this issue to escalate privileges.
 (CVE-2018-12029)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected libapache2-mod-passenger, passenger and / or ruby-passenger packages.

See Also

https://ubuntu.com/security/notices/USN-5261-1

Plugin Details

Severity: High

ID: 183544

File Name: ubuntu_USN-5261-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/20/2023

Updated: 8/29/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.3

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2018-12029

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libapache2-mod-passenger, p-cpe:/a:canonical:ubuntu_linux:passenger, cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:ruby-passenger

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 2/1/2022

Vulnerability Publication Date: 12/14/2017

Reference Information

CVE: CVE-2017-16355, CVE-2018-12029

USN: 5261-1