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Atlassian Companion < 1.0.0 Protection Mechanism Failure

high Nessus Plugin ID 137180

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Synopsis

A development edition application installed on the remote Windows host is affected by local Protection Mechanism Failure vulnerability.

Description

The file downloading functionality in the Atlassian Companion App before version 1.0.0 allows remote attackers, who control a Confluence Server instance that the Companion App is connected to, execute arbitrary .exe files via a Protection Mechanism Failure.

Solution

Upgrade to Atlassian Companion 1.0.0 or later.

See Also

https://jira.atlassian.com/browse/CONFSERVER-59733

Plugin Details

Severity: High

ID: 137180

File Name: atlassian_companion_1_0_0.nasl

Version: 1.4

Type: local

Agent: windows

Family: Windows

Published: 6/5/2020

Updated: 2/5/2021

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2020-4020

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

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

Vulnerability Information

CPE: cpe:/a:atlassian:companion

Required KB Items: installed_sw/Atlassian Companion

Exploit Ease: No known exploits are available

Patch Publication Date: 7/5/2020

Vulnerability Publication Date: 7/5/2020

Reference Information

CVE: CVE-2020-4020

IAVA: 2020-A-0242-S