Veritas NetBackup Appliance 2.7.x / 3.0.x Remote Command Execution (VTS17-005) (exploit)

critical Nessus Plugin ID 101301

Synopsis

The remote backup management appliance is affected by a remote command execution vulnerability.

Description

The remote Veritas NetBackup Appliance is affected by a remote command execution vulnerability due to improper validation of user-supplied input. An unauthenticated, remote attacker can exploit this, via a specially crafted GET request, to execute arbitrary commands with root privileges.

Nessus was able to exploit the vulnerability by sending a GET request to /appliancews/getLicense with the command 'id -un' as the value of the 'hostName' parameter.

Solution

Apply the May 7th Emergency Engineering Binary (EEB) as referenced in the vendor advisory.

See Also

https://www.veritas.com/content/support/en_US/security/VTS17-005.html

https://www.veritas.com/support/en_US/article.000126557

Plugin Details

Severity: Critical

ID: 101301

File Name: veritas_netbackup_appliance_VTS17-005_exploit.nasl

Version: 1.9

Type: remote

Family: CGI abuses

Published: 5/22/2017

Updated: 5/29/2023

Configuration: Enable thorough checks

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2017-8859

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:veritas:netbackup_appliance

Required KB Items: installed_sw/NetBackup Appliance

Exploit Ease: No exploit is required

Exploited by Nessus: true

Patch Publication Date: 5/7/2017

Vulnerability Publication Date: 5/7/2017

Reference Information

CVE: CVE-2017-8859

BID: 98383

IAVA: 2017-A-0152-S