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Ubuntu 20.10 : kramdown vulnerability (USN-4562-2)

critical Nessus Plugin ID 141922

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 20.10 host has packages installed that are affected by a vulnerability as referenced in the USN-4562-2 advisory.

 kramdown could be made to crash, run programs, or leak sensitive information if it opened a specially crafted file.

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

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

Solution

Update the affected kramdown and / or ruby-kramdown packages.

See Also

https://ubuntu.com/security/notices/USN-4562-2

Plugin Details

Severity: Critical

ID: 141922

File Name: ubuntu_USN-4562-2.nasl

Version: 1.5

Type: local

Agent: unix

Published: 10/27/2020

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2020-14001

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:kramdown, p-cpe:/a:canonical:ubuntu_linux:ruby-kramdown, cpe:/o:canonical:ubuntu_linux:20.10

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/26/2020

Vulnerability Publication Date: 7/17/2020

Reference Information

CVE: CVE-2020-14001

USN: 4562-2