Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0664 Security Bulletin: Public disclosed vulnerabilities from Jackson-databind affects IBM Spectrum LSF 4 March 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Spectrum LSF Publisher: IBM Operating System: Linux variants Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-7489 CVE-2018-5968 CVE-2017-17485 CVE-2017-15095 CVE-2017-7525 Reference: ASB-2018.0083 ASB-2018.0082 ESB-2019.0544 ESB-2019.0037 ESB-2018.3598 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10874268 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Public disclosed vulnerabilities from Jackson-databind affects IBM Spectrum LSF Document information More support for: Platform LSF Software version: All Versions Operating system(s): Linux Reference #: 0874268 Modified date: 01 March 2019 Summary Public disclosed vulnerabilities from Jackson-databind affects IBM Spectrum LSF: CVE-2017-7525, CVE-2017-15095, CVE-2017-17485, CVE-2018-5968, CVE-2018-7489 Vulnerability Details CVE-2017-7525 Jackson-databind (Also implemented in JBoss BPM Suite) is vulnerable to remote code execution when deserializing via the `readValue()` method of `ObjectMapper`. CVE-2017-15095 An unauthenticated attacker can create a specially crafted payload that when deserialized in `Jackson-databind` can lead to Code Execution. CVE-2017-17485 Deserialization of untrusted user data in Jackson Databind could allow an attacker to perform PHP Object Injection resulting in Remote Code Execution. This issue exists because of an incomplete fix for CVE-2017-7525 which the vendor tried to address through an incomplete blacklist. CVE-2018-5968 FasterXML jackson-databind through 2.8.11 and 2.9.x through 2.9.3 allows unauthenticated remote code execution because of an incomplete fix for the CVE-2017-7525 and CVE-2017-17485 deserialization flaws. This is exploitable via two different gadgets that bypass a blacklist. CVE-2018-7489 FasterXML jackson-databind contains a remote code execution (*RCE*) vulnerability due to an incomplete fix for the CVE-2017-7525 deserialization flaw. An unauthenticated attacker can exploit this vulnerability via `readValue` method to execute arbitrary code. Affected Products and Versions IBM Spectrum LSF 10.0.0.4 IBM Spectrum LSF 10.0.0.5 IBM Spectrum LSF 10.0.0.6 IBM Spectrum LSF 10.0.0.7 Remediation/Fixes Product VRMF APAR Remediation / First Fix LSF 10.1.0.4 None See fix below LSF 10.1.0.5 None See fix below LSF 10.1.0.6 None See fix below LSF 10.1.0.7 None See fix below Download Fix 512358 from the following location: http://www.ibm.com/support/fixcentral/swg/selectFixesproduct=ibm/ Other+software/IBM+Spectrum+LSF&release=All&platform=All&function=fixId&fixids =lsf-10.1-build512358&includeSupersedes=0 1) Go to the patch install directory: cd $LSF_ENVDIR/../10.1/install/ 2) Copy the patch file to the install directory $LSF_ENVDIR/../10.1/install/ 3) Run patchinstall: ./patchinstall <patch> 4) Run "badmin mbdrestart" Workarounds and Mitigations Change History 28 February 2019: Original version created *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 iQIVAwUBXHzAwWaOgq3Tt24GAQhyHQ/8CBn97P2nB6dSyKAmilpDI+O3NUgSehCk 3oJE5M1jCJCsgpVZb+2/w2IWZOcwjT6DlcO1g5gMUnIraJD1+lh6aF02SYghK8Nk lLeq0v7eO3Xpumy+bj2dwb3UHucE+IZ5zl9tEqishBP5lsY6i1hpuvXgYrV3qMwc nJXhIABQf0RUZv6wrK3jvvJGXGB331ZoWbe1M8BRR8J06UiRTQ4UhRYR2CUu6N72 5r6mWBpewbhilI3ICzNFXNiuuYazjLhrWmw79ZPINiKI1C7D/W/DctMuJwMWBHCg O4kJ0Upd9OxiN3V1Tl0Kd+i+NBnj+nlgkrzPJ8v6tXxnDgsHQo+HAMFRtPMwaT8V QejCBF3BOm9ZvfbGfSSejAm9/M3shhNRHrqFwhuF4vUeQymLlGFSbWOIxqM8b4RR yAHN1nfNwDtPq+Ht2clkLPic4wudxwGfOVOu5eDxV0HZ/J6ZoKhqSMtej5Jo9Bzu SemHEll1Ir8WIDv2Nl8gR6A070pYRiGTbqtASL5pfuLhvmqJ+aot298asCUrEDlQ 16VI0Qcvv1R/LKCsrRlCJvnHBu87LRR01To57S6bdIMBKDjdgTh2HfdB8ign77hL VXAmp0FPpduI3ChK51pfSpu6JOmXWA/mqFM2yjN2ln0ZU5K7oCzwrFHxNpOzIEe7 64fHtMAN4dk= =8aBg -----END PGP SIGNATURE-----