IBM WebSphere Portal Security Bypass Vulnerability (CVE-2018-1420)

medium Nessus Plugin ID 128996

Synopsis

The web portal application installed on remote Windows host is affected by a security bypass vulnerability.

Description

The version of IBM WebSphere Portal installed on the remote Windows host is affected by a security bypass vulnerability due to improper validaiton of user context during impersionation senarios. An authenticated, remote attacker can exploit this, to perform actions in the user or administrator interface with the privileges of another user.

Solution

Apply the appropriate fixes according to the vendor advisory.

See Also

http://www-01.ibm.com/support/docview.wss?uid=swg22014276

Plugin Details

Severity: Medium

ID: 128996

File Name: websphere_portal_cve-2018-1420.nasl

Version: 1.2

Type: local

Family: CGI abuses

Published: 9/18/2019

Updated: 10/17/2019

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2018-1420

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/a:ibm:websphere_portal

Required KB Items: installed_sw/IBM WebSphere Portal, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 9/25/2018

Vulnerability Publication Date: 9/25/2018

Reference Information

CVE: CVE-2018-1420