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ubuntuUbuntuUSN-5261-1
HistoryFeb 01, 2022 - 12:00 a.m.

Phusion Passenger vulnerabilities

2022-02-0100:00:00
ubuntu.com
86

4.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

6.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

23.6%

Releases

  • Ubuntu 16.04 ESM

Packages

  • passenger - Rails and Rack support

Details

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)

4.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

6.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

23.6%