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Security Bulletin: WebSphere Application Server is vulnerable to a remote code execution vulnerability (CVE-2020-4464)

Security Bulletin


Summary

WebSphere Application Server is vulnerable to a remote code execution vulnerability. This has been addressed.

Vulnerability Details

CVEID:   CVE-2020-4464
DESCRIPTION:   IBM WebSphere Application Server traditional could allow a remote attacker to execute arbitrary code on a system with a specially-crafted sequence of serialized objects over the SOAP connector.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181489 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
WebSphere Application Server9.0
WebSphere Application Server8.5
WebSphere Application Server8.0
WebSphere Application Server7.0

Remediation/Fixes

For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition:

For V9.0.0.0 through 9.0.5.4:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH26952
--OR--
· Apply Fix Pack 9.0.5.5 or later (targeted availability 3Q2020). 

For V8.5.0.0 through 8.5.5.17:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH26952
--OR--
· Apply Fix Pack 8.5.5.18 or later (targeted availability 3Q2020).

 

For V8.0.0.0 through 8.0.0.15:
· Upgrade to 8.0.0.15 and then apply Interim Fix PH26952
 

For V7.0.0.0 through 7.0.0.45:
· Upgrade to 7.0.0.45 and  then apply Interim Fix PH26952
 

Additional interim fixes may be available and linked off the interim fix download page.

WebSphere Application Server V7.0 and V8.0 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product.

 

Workarounds and Mitigations

None

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References

Off

Acknowledgement

The vulnerability was reported to IBM by tint0 working with Trend Micro Zero Day Initiative

Change History

16 July 2020: Initial Publication

*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.

Disclaimer

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.

Document Location

Worldwide

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF012","label":"IBM i"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"},{"code":"PF035","label":"z\/OS"}],"Version":"7.0, 8.0, 8.5, 9.0","Edition":""}]

Document Information

Modified date:
16 July 2020

UID

ibm16250059