An XML External Entity injection (XXE) vulnerability is exposed in IBM API Connect.
DESCRIPTION: IBM API Connect is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose highly sensitive information or consume memory resources.
CVSS Base Score: 8.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/125918 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L)
Affected Products and Versions
IBM API Connect V18.104.22.168 - V22.214.171.124
The fix for V5.0.6 is not yet available. See the workaround to manually apply changes to remediate this vulnerability or upgrade to V126.96.36.199 or later.
|IBM API Connect||188.8.131.52 - 184.108.40.206||LI79656||Fix planned for V220.127.116.11|
|IBM API Connect||18.104.22.168||LI79656||Apply V22.214.171.124|
Workarounds and Mitigations
On the DataPower appliance, in the CLI, issue the following commands:
1) switch apimanagement-domain-name
3) xml parser limits webapi
4) external-references forbid
6) write memory
Get Notified about Future Security Bulletins
22 June 2017: Original version published
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
30 August 2019