less vulnerability

2023-02-0900:00:00

ubuntu.com

ubuntu

less

vulnerability

denial of service

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

54.3%

JSON

Releases

Ubuntu 22.10
Ubuntu 22.04 LTS

Packages

less - pager program similar to more

Details

David Leadbeater discovered that less was not properly handling escape
sequences when displaying raw control characters. A maliciously formed
OSC 8 hyperlink could possibly be used by an attacker to cause a denial of
service.

OSVersionArchitecturePackageVersionFilename
Ubuntu22.10noarchless< 590-1ubuntu0.22.10.1UNKNOWN
Ubuntu22.10noarchless-dbgsym< 590-1ubuntu0.22.10.1UNKNOWN
Ubuntu22.04noarchless< 590-1ubuntu0.22.04.1UNKNOWN
Ubuntu22.04noarchless-dbgsym< 590-1ubuntu0.22.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Ubuntu	22.10	noarch	less	< 590-1ubuntu0.22.10.1	UNKNOWN
Ubuntu	22.10	noarch	less-dbgsym	< 590-1ubuntu0.22.10.1	UNKNOWN
Ubuntu	22.04	noarch	less	< 590-1ubuntu0.22.04.1	UNKNOWN
Ubuntu	22.04	noarch	less-dbgsym	< 590-1ubuntu0.22.04.1	UNKNOWN