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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0402 Security Bulletin: WebSphere Application Server is vulnerable to a command execution vulnerability (CVE-2020-4163) 4 February 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: WebSphere Application Server Publisher: IBM Operating System: AIX HP-UX IBM i Linux variants Solaris Windows Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Cross-site Scripting -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-4163 Original Bulletin: https://www.ibm.com/support/pages/node/1288786 - --------------------------BEGIN INCLUDED TEXT-------------------- WebSphere Application Server is vulnerable to a command execution vulnerability (CVE-2020-4163) Security Bulletin Summary WebSphere Application Server is vulnerable to a command execution vulnerability. This has been addressed. Vulnerability Details CVEID: CVE-2020-4163 DESCRIPTION: IBM WebSphere Application Server, under specialized conditions, could allow an authenticated user to create a maliciously crafted file name which would be misinterpreted as jsp content and executed. 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 +----------------------------+----------+ |Affected Product(s) |Version(s)| +----------------------------+----------+ |WebSphere Application Server|9.0 | +----------------------------+----------+ |WebSphere Application Server|7.0 | +----------------------------+----------+ |WebSphere Application Server|8.0 | +----------------------------+----------+ |WebSphere Application Server|8.5 | +----------------------------+----------+ Remediation/Fixes For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition: For V9.0.0.0 through 9.0.5.2: . Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH20785 - --OR-- . Apply Fix Pack 9.0.5.3 or later (targeted availability 1Q2020). For V8.5.0.0 through 8.5.5.16: . Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH20785 - --OR-- . Apply Fix Pack 8.5.5.17 or later (targeted availability 1Q2020). For V8.0.0.0 through 8.0.0.15: . Upgrade to 8.0.0.15 and then apply Interim Fix PH20785 For V7.0.0.0 through 7.0.0.45: . Upgrade to 7.0.0.45 and then apply Interim Fix PH20785 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 Get Notified about Future Security Bulletins References - --------------------------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 iQIVAwUBXjj01maOgq3Tt24GAQii6BAAuHYSUgdW30hZouPQErXkqdo2tuC42nbQ oTOcTqMVwVusZJ6qD6IrkzlnFkfs6tbycaHfGJc1gFSypKOCb24/HHwCXdNGzCPy TarZP0eVwHfUWWeKrEaIyOjKeMqOYD1lq7sJCRYHaIyPSjRO91EESEnJAMh9dPI4 KErxhNkOZGUdX2PmD8n0/U2Cklc/3qXrdih9/2TCuQcoCeOUGkQc/R2sfZ0mHYbN zgpMnLgv1HcXGWmvxazw1p0nCatkLO05XnbFZVCHZl0YGdmBiQkIW1DuAKyJ/otM 2gt+V+in9YTEmwO20agjXF+IMzsaUVKbOCev0ZIbyxfnJ15chL0AQn9C4YPEI5iB cX5sZshPFl7sS1Sof3Sl2OdW0g5rfzUJvcgEuXSy29JvR1NJa93q2U+661l0zyDC 2+OlV6F+tVpjiYEcn597GZMKKXHgQXC47ZF9V85jmSaxqDFszSpvp+TQFEnGCZBv SqKwuaITyCaV/em+RDaDSAwilBVxPpeFsT2q7IMgaE5kXS6QdklRC+yNYIeSZVMg K2vi/v9J2zMutbZQhMm1t9g6NE4Cr1xCfGbKktaEBVHm5woAOit7VavMeI5ie7O6 v+6YVORVoGbqtZB5rDqv4OgdE6cgoiOTVhmH0Upr9A9IFxbM5xpChQK54Nh6y7sY YOgw1ibg32k= =3fIr -----END PGP SIGNATURE-----