Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1971 Remote code execution vulnerability in WebSphere Application Server ND (CVE-2020-4448) 5 June 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: WebSphere Application Server ND Publisher: IBM Operating System: AIX HP-UX Linux variants Windows Solaris z/OS Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-4448 Original Bulletin: https://www.ibm.com/support/pages/node/6220336 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Remote code execution vulnerability in WebSphere Application Server ND (CVE-2020-4448) Security Bulletin Summary There is a remote code execution vulnerability in WebSphere Application Server Network Deployment. This has been addressed. Vulnerability Details CVEID: CVE-2020-4448 DESCRIPTION: IBM WebSphere Application Server Network Deployment could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. CVSS Base score: 9.8 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 181228 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) Affected Products and Versions +------------------------------------------+ |Affected Product(s) |Version(s)| |-------------------------------+----------| |WebSphere Application Server ND|9.0 | |-------------------------------+----------| |WebSphere Application Server ND|8.5 | |-------------------------------+----------| |WebSphere Virtual Enterprise |8.0 | |-------------------------------+----------| |WebSphere Virtual Enterprise |7.0 | +------------------------------------------+ Remediation/Fixes The recommended solution is to apply the interim fix, Fix Pack or PTF containing the APAR for each named product as soon as practical. For WebSphere Application Server ND traditional and WebSphere Application Server ND Hypervisor Edition: For V9.0.0.0 through 9.0.5.3: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH25216 - --OR-- Apply Fix Pack 9.0.5.4 or later (targeted availability 2Q2020). 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 PH25216 - --OR-- Apply Fix Pack 8.5.5.18 or later (targeted availability 3Q2020). For WebSphere Virtual Enterprise Edition: For V8.0: Apply Interim Fix PH25216 For V7.0: Apply Interim Fix PH25216 WebSphere Virtual Enterprise V7 and V8 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product. Workarounds and Mitigations None Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. References Complete CVSS v3 Guide On-line Calculator v3 Off Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Acknowledgement The vulnerability was reported to IBM by b0yd working with Trend Micro Zero Day Initiative Change History 14 June 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. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXtmg8+NLKJtyKPYoAQir2g/+JmzD/meDhRQVnvd40/j/j87MJPLh599a 1LoGK8+CIUdHf7mI/askbA9xoDiDUzrcy1NzZDJFbH/9Wtfz+9Hac/K4Afadw1Y0 bSrI3Tf3LCQ8Puy3pMEBo8Dtup5EbDaNox8c2nhkHQ7TFBsswOcXWiTFq/3sIu2S XYbCBKg3jwq2mzYhbULXPk6uiJZwyLnsEY6YNez54XQnX7IH+siw0YyJhG4tr/5t 80exlK+M/M58jEW+yg/iZ4T/By8I98l5+D7V7EUFg7D32soRbpu0siLMg2w3fNcH bjyhXYAyTqjKY1tBKQjltS6Lh6jAktlYdAj657R9eVIeUFv0lmdSphHLe4mz/VHa TtgSFM79Ur4PL0JMWjHNU6JQrFlyJN/b2ehV9SsAP83lEGmkyY0AxNKwZX229WZ0 tsrPpWTLDAjtRlg3pj4mo3sxaPzMz/52bElG1bVXqsbuHyaNhLJ3qKi555jKWyIZ YWpbZaWckSXdV/NpOr7FZVrqx3bIDCJFAsUcidFql1T47YTsVtSkt6f+JlvryKpc wij0h8rrOlsknuvyr7H7zLQ11+2ki46rhxfnGR89ND4UXdzeffWyK1pZxmoPleJS 6tAEO2oe5MLcc5gJu0nVzQVOxu75hrkVni+WsBJUb/E2j37G72nVlk3U4ITewaKa vHPkFJocdnE= =mlDE -----END PGP SIGNATURE-----