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UbuntuUSN-5033-1

HistoryAug 09, 2021 - 12:00 a.m.

Perl vulnerability

2021-08-0900:00:00

ubuntu.com

101

perl

encode library

vulnerability

ubuntu 21.04

arbitrary code execution

unix

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

Confidence

High

EPSS

0.001

Percentile

37.9%

JSON

Releases

Ubuntu 21.04

Packages

perl - Practical Extraction and Report Language

Details

It was discovered that the Perl Encode library incorrectly handled paths. A
local attacker could possibly use this issue to trick the library into
executing arbitrary code from the current working directory.

OSVersionArchitecturePackageVersionFilename
Ubuntu21.04noarchperl< 5.32.1-3ubuntu2.1UNKNOWN
Ubuntu21.04noarchlibperl-dev< 5.32.1-3ubuntu2.1UNKNOWN
Ubuntu21.04noarchlibperl5.32< 5.32.1-3ubuntu2.1UNKNOWN
Ubuntu21.04noarchperl-base< 5.32.1-3ubuntu2.1UNKNOWN
Ubuntu21.04noarchperl-debug< 5.32.1-3ubuntu2.1UNKNOWN
Ubuntu21.04noarchperl-doc< 5.32.1-3ubuntu2.1UNKNOWN
Ubuntu21.04noarchperl-modules-5.32< 5.32.1-3ubuntu2.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Ubuntu	21.04	noarch	perl	< 5.32.1-3ubuntu2.1	UNKNOWN
Ubuntu	21.04	noarch	libperl-dev	< 5.32.1-3ubuntu2.1	UNKNOWN
Ubuntu	21.04	noarch	libperl5.32	< 5.32.1-3ubuntu2.1	UNKNOWN
Ubuntu	21.04	noarch	perl-base	< 5.32.1-3ubuntu2.1	UNKNOWN
Ubuntu	21.04	noarch	perl-debug	< 5.32.1-3ubuntu2.1	UNKNOWN
Ubuntu	21.04	noarch	perl-doc	< 5.32.1-3ubuntu2.1	UNKNOWN
Ubuntu	21.04	noarch	perl-modules-5.32	< 5.32.1-3ubuntu2.1	UNKNOWN