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Ubuntu 18.04 ESM / 20.04 ESM / 22.04 ESM : Rack vulnerabilities (USN-5896-1)

critical Nessus Plugin ID 171938

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Synopsis

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

Description

The remote Ubuntu 18.04 ESM / 20.04 ESM / 22.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5896-1 advisory.

 - A possible denial of service vulnerability exists in Rack <2.0.9.1, <2.1.4.1 and <2.2.3.1 in the multipart parsing component of Rack. (CVE-2022-30122)

 - A sequence injection vulnerability exists in Rack <2.0.9.1, <2.1.4.1 and <2.2.3.1 which could allow is a possible shell escape in the Lint and CommonLogger components of Rack. (CVE-2022-30123)

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-5896-1

Plugin Details

Severity: Critical

ID: 171938

File Name: ubuntu_USN-5896-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/28/2023

Updated: 10/16/2023

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

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2022-30123

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:esm, cpe:/o:canonical:ubuntu_linux:20.04:-:esm, cpe:/o:canonical:ubuntu_linux:22.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:ruby-rack

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/27/2023

Vulnerability Publication Date: 11/2/2022

Reference Information

CVE: CVE-2022-30122, CVE-2022-30123

USN: 5896-1