Ubuntu 18.04 LTS : Rack vulnerabilities (USN-4561-1)

high Nessus Plugin ID 141097

Synopsis

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

Description

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4561-1 advisory.

It was discovered that Rack incorrectly handled certain paths. An attacker could possibly use this issue to obtain sensitive information. (CVE-2020-8161)

It was discovered that Rack incorrectly validated cookies. An attacker could possibly use this issue to forge a secure cookie. (CVE-2020-8184)

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 ruby-rack package.

See Also

https://ubuntu.com/security/notices/USN-4561-1

Plugin Details

Severity: High

ID: 141097

File Name: ubuntu_USN-4561-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 9/30/2020

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2020-8184

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.7

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

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

CVSS Score Source: CVE-2020-8161

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ruby-rack

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/30/2020

Vulnerability Publication Date: 6/19/2020

Reference Information

CVE: CVE-2020-8161, CVE-2020-8184

USN: 4561-1