SB2018112908 - XXE attack in IBM WebSphere Application Server



SB2018112908 - XXE attack in IBM WebSphere Application Server

Published: November 29, 2018

Security Bulletin ID SB2018112908
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) XXE attack (CVE-ID: CVE-2018-1905)

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote authenticated attacker to conduct XXE-attack.

The vulnerability exists due to improper handling of XML External Entities (XXEs) when parsing an XML file. A remote attacker can trick the victim into open an XML file that submits malicious input and obtain potentially sensitive information or consume excessive resources to cause the server to crash.


Remediation

Install update from vendor's website.