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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2016.1980 Security Bulletin: Bypass security restrictions in WebSphere Application Server (CVE-2016-0385) 17 August 2016 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere Application Server Publisher: IBM Operating System: AIX HP-UX IBM i Linux variants Solaris Windows z/OS Impact/Access: Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2016-0385 CVE-2016-0377 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=swg21982588 http://www.ibm.com/support/docview.wss?uid=swg21980645 Comment: This bulletin contains two (2) IBM security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Bypass security restrictions in WebSphere Application Server (CVE-2016-0385) Security Bulletin Document information More support for: WebSphere Application Server Software version: 7.0, 8.0, 8.5, 8.5.5 Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS Software edition: Base, Developer, Express, Liberty, Network Deployment Reference #: 1982588 Modified date: 2016-08-16 Summary There is a potential bypass security restriction vulnerability in IBM WebSphere Application Server. This will only occur in environments that have the webcontainer custom property HttpSessionIdReuse enabled. Vulnerability Details CVEID: CVE-2016-0385 DESCRIPTION: IBM WebSphere Application Server could allow a remote attacker to bypass security restrictions caused by a buffer overflow. This could allow the attacker to view unauthorized data. CVSS Base Score: 3.1 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/112359 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N) Affected Products and Versions This vulnerability affects the following versions and releases of IBM WebSphere Application Server Liberty Version 9.0 Version 8.5.5 Version 8.5 Version 8.0 Version 7.0 Remediation/Fixes The recommended solution is to apply the interim fix, Fix Pack or PTF containing APAR PI60026 for each named product as soon as practical. For WebSphere Application Server: For Liberty: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI60026 - --OR-- Apply Fix Pack 16.0.0.3 or later (targeted availability 16 September 2016). For V9.0.0.0: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI60026 - --OR-- Apply Fix Pack 9.0.0.1 or later (targeted availability 16 September 2016). For V8.5.0.0 through 8.5.5.9: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI60026 - --OR-- Apply Fix Pack 8.5.5.10 or later. For V8.0.0.0 through 8.0.0.12: Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PI60026 - --OR-- Apply Fix Pack 8.0.0.13 or later (targeted availability 24 October 2016). For V7.0.0.0 through 7.0.0.41: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI60026 - --OR-- Apply Fix Pack 7.0.0.43 or later (targeted availability 2Q2017). Workarounds and Mitigations Setting the webcontainer property HttpSessionIdReuse to false will mitigate this issue. 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 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 16 August 2016: original document 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. 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. - --- Security Bulletin: Information Disclosure in IBM WebSphere Application Server (CVE-2016-0377) Security Bulletin Document information More support for: WebSphere Application Server General Software version: 7.0, 8.0, 8.5, 8.5.5 Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS Software edition: Base, Developer, Express, Network Deployment Reference #: 1980645 Modified date: 2016-08-16 Summary There is an Information Disclosure Vulnerability in IBM WebSphere Application Server. Vulnerability Details CVEID: CVE-2016-0377 DESCRIPTION: IBM WebSphere Application Server could allow a remote attacker to obtain sensitive information caused by the improper setting of a CSRFtoken cookie. CVSS Base Score: 4.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/112238 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N) Affected Products and Versions This vulnerability affects the following versions and releases of IBM WebSphere Application Server: Version 8.5.5 Version 8.5 Version 8.0 Version 7.0 Remediation/Fixes The recommended solution is to apply the interim fix, Fix Pack or PTF containing APAR PI56917 for each named product as soon as practical. For Traditional WebSphere Application Server and WebSphere Application Server Hypervisor Edition: For V8.5.0.0 through 8.5.5.9: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI56917 - --OR-- Apply Fix Pack 8.5.5.10 or later For V8.0.0.0 through 8.0.0.12: Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PI56917 - --OR-- Apply Fix Pack 8.0.0.13 or later (targeted availability 24 October 2016). For V7.0.0.0 through 7.0.0.41: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI56917 - --OR-- Apply Fix Pack 7.0.0.43 or later (targeted availability 2Q2017). Workarounds and Mitigations none Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. Important note IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk. References Complete CVSS v3 Guide On-line Calculator v3 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 16 August 2016: original document 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. 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: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== 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 iQIVAwUBV7P9o4x+lLeg9Ub1AQh9sg//Qm01JY1rGYR/iyJikpgocPKAVre094Wh wUSdDh44S/sU8K+xsBoBy5d9aSFAiKf7009KAm4B7uRkn4reUtKV4LA2x2Lsfpyq q3V+iMm7342QWXQ/0By1u3wSQBX8sKpXf/sLPhQG/83l4HkXCvW+AdpTQzn5VwDB D40D6HFVbZjI4ORjaFE3o+vtR3Y9HFakg/PiB7bP8OF+pTmFn/5B2jpz/Ag9iIGo nYjxkkxpzj0j2GHRimrCVpRDJttKz81/iXdR5/g7zA3cQbQVN7KaLNHvRwLcvaqF vIeiZARGDKH2QIoIDpF2HP/z/bpyWP7rcgE6O9hOjhlGFuqC7mQ85rE2oBw+J5UC xQ3kck0n7CIK5JlNiWnVp4kASX35m4XUM2LTYBJlocLcICR3SI1BCYvIqCdsqvd8 mIFi9EkXGmjYtRQjGA8G99xkBgTZiVfcxMjArCcuN6tuCJV7MHGGiEm2oXjihdHw rXbs2BQbhBh2EbO/ROcxnk3yb+aHzvH0XYzfN27QfsX3WQR/b2mocG8TRbndWXgp qdqxfWFNmDIViDbjLrTrEiCqUAAxTWFSDIdPtxTWbZ3Gap6l9wMcNPK7N+JW1lpc 1t41JO1usFKvkYVKTSS19zWHt6M2734Dcrus5Kk5ICWrf06T20PpBNtsdkTveEk8 4DsmNKI9G+I= =mVGR -----END PGP SIGNATURE-----