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: 2019/09/18

Updated: 2019/10/17

Dependencies: 72644

Configuration: Enable paranoid mode

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2018-1420

CVSS v2.0

Base Score: 4

Temporal Score: 3

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

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: 2018/09/25

Vulnerability Publication Date: 2018/09/25

Reference Information

CVE: CVE-2018-1420