Security Bulletin: Multiple Security Vulnerabilities Affect IBM WebSphere Application Server in IBM Cloud

Summary

There are multiple security vulnerabilities that affect the IBM WebSphere Application Server in the IBM Cloud. There is a Swagger vulnerability that affects WebSphere Application Server Liberty. This affects the mpOpen-1.x and openAPI-3.x features. There is a cross-site scripting vulnerability in the Liberty Admin Center. There is a denial of service vulnerablility in WebSphere Application Server. There is an information disclosure in WebSphere Application Server Admin Console. There is a denial of service in the Apache CXF library used by WebSphere Application Server. WebSphere Application Server is vulnerable to a command execution vulnerability. There are multiple vulnerabilities in the IBM® SDK, Java™ Technology Edition that is shipped with IBM WebSphere Application Server.

Vulnerability Details

CVEID:CVE-2019-12406
**DESCRIPTION:**Apache CXF is vulnerable to a denial of service, caused by the failure to restrict the number of message attachments present in a given message. By sending a specially-crafted message containing an overly large number of message attachments, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/170974 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2019-4670
**DESCRIPTION:**IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to obtain sensitive information caused by improper data representation. IBM X-Force ID: 171319.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/171319 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2020-2604
**DESCRIPTION:**An unspecified vulnerability in Java SE could allow an unauthenticated attacker to take control of the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174551 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID:CVE-2020-2593
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE Networking component could allow an unauthenticated attacker to cause low confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 4.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174541 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:CVE-2020-2659
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE Networking component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174606 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2020-2583
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE Serialization component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174531 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2019-4732
**DESCRIPTION:**IBM SDK, Java Technology Edition Version 7.0.0.0 through 7.0.10.55, 7.1.0.0 through 7.1.4.55, and 8.0.0.0 through 8.0.6.0 could allow a local authenticated attacker to execute arbitrary code on the system, caused by DLL search order hijacking vulnerability in Microsoft Windows client. By placing a specially-crafted file in a compromised folder, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 172618.
CVSS Base score: 7.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172618 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H)

CVEID:CVE-2019-4720
**DESCRIPTION:**IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available memory. IBM X-Force ID: 172125.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172125 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2019-17495
**DESCRIPTION:**Swagger UI could allow a remote attacker to obtain sensitive information, caused by a CSS injection flaw. By using the relative path overwrite (RPO) attack technique, an attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/169050 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID:CVE-2019-4663
**DESCRIPTION:**IBM WebSphere Application Server - Liberty is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 171245.
CVSS Base score: 5.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/171245 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

CVEID:CVE-2020-4163
**DESCRIPTION:**IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0, under specialized conditions, could allow an authenticated user to create a maliciously crafted file name which would be misinterpreted as jsp content and executed. IBM X-Force ID: 174397.
CVSS Base score: 6.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174397 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

These vulnerabilities affect the following versions and releases of IBM WebSphere Application Server in IBM Cloud:

• Liberty
• Version 9.0
• Version 8.5

Remediation/Fixes

To patch an existing service instance, refer to the IBM WebSphere Application Server bulletins listed below

• WebSphere Application Server Liberty is vulnerable to Cross-site Scripting (CVE-2019-4663)
• Swagger vulnerability affects WebSphere Application Server Liberty (CVE-2019-17495)
• WebSphere Application Server is vulnerable to a denial of service (CVE-2019-4720)
• Information Disclosure in WebSphere Application Server Admin Console (CVE-2019-4670)
• Vulnerability in Apache CXF affects WebSphere Application Server (CVE-2019-12406)
• WebSphere Application Server is vulnerable to a command execution vulnerability (CVE-2020-4163)
• Multiple Vulnerabilities in IBM® Java SDK affect WebSphere Application Server January 2020 CPU

Please see Updating your environment in the KnowlegeCenter for information on applying service.

Alternatively, delete the vulnerable service instance and create a new instance.

Workarounds and Mitigations

None