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Security Bulletin: A vulnerability in libxml2 affects IBM Flex System Manager (FSM) (CVE-2017-16932)

Description

## Summary A vulnerability has been identified in libxml2 that is embedded in FSM. This bulletin addresses that issue. ## Vulnerability Details **CVEID:** [_CVE-2017-16932_](<https://vulners.com/cve/CVE-2017-16932>)** DESCRIPTION:** Xmlsoft libxml2 is vulnerable to a denial of service, caused by an infinite recursion issue in parameter entities. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to exhaust available memory on the system. CVSS Base Score: 7.5 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/135489_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/135489>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) ## Affected Products and Versions Flex System Manager 1.3.4.2 Flex System Manager 1.3.4.1 Flex System Manager 1.3.4.0 Flex System Manager 1.3.3.2 Flex System Manager 1.3.3.1 Flex System Manager 1.3.3.0 Flex System Manager 1.3.2.3 Flex System Manager 1.3.2.2 Flex System Manager 1.3.2.1 Flex System Manager 1.3.2.0 ## Remediation/Fixes IBM recommends updating the FSM and all affected remote Common Agent Services (CAS) endpoints using the instructions referenced in this table. Product| VRMF| Remediation ---|---|--- Flex System Manager| 1.3.4.0 1.3.4.1 1.3.4.2| Navigate to the [_Support Portal_](<https://www.ibm.com/support/entry/portal/support/>)_ _and search for technote [847550927](<http://www-01.ibm.com/support/docview.wss?uid=nas769be7782d8bdfd878625825700552750>) for instructions on installing updates for FSM version 1.3.4 and Agents. Flex System Manager| 1.3.3.0 1.3.3.1 1.3.3.2| Navigate to the [_Support Portal_](<https://www.ibm.com/support/entry/portal/support/>)_ _and search for technote [847550927](<http://www-01.ibm.com/support/docview.wss?uid=nas769be7782d8bdfd878625825700552750>) for instructions on installing updates for FSM version 1.3.3 and Agents. Flex System Manager| 1.3.2.0 1.3.2.1 1.3.2.2 1.3.2.3| Navigate to the [_Support Portal_](<https://www.ibm.com/support/entry/portal/support/>)_ _and search for technote [847550927](<http://www-01.ibm.com/support/docview.wss?uid=nas769be7782d8bdfd878625825700552750>) for instructions on installing updates for FSM version 1.3.2 and Agents. For all other VRMF IBM recommends upgrading to a fixed, supported version/release of the product. Note: Installation of the fixes provided in the technote will install a cumulative fix package that will update the version of the FSM. Reference the technote for more details. You should verify applying this fix does not cause any compatibility issues. The fix may disable older encrypted protocols by default. IBM recommends that you review your entire environment to identify other areas where you have enabled weak encryption and take appropriate mitigation and remediation actions. For a complete listing of FSM security iFixes go to this technote: [http://www-01.ibm.com/support/docview.wss?uid=nas7797054ebc3d9857486258027006ce4a0&myns=purflex&mync=E&cm_sp=purflex-_-NULL-_-E](<http://www-01.ibm.com/support/docview.wss?uid=nas7797054ebc3d9857486258027006ce4a0&myns=purflex&mync=E&cm_sp=purflex-_-NULL-_-E>) ## Workarounds and Mitigations None ##


Affected Software


CPE Name Name Version
flex system manager node any

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