Security Bulletin: IBM Flex System Manager (FSM) is affected by multiple Struts vulnerabilities (CVE-2016-1181, CVE-2016-1182)

Summary

Multiple vulnerabilities have been identified in Struts that is embedded in the IBM FSM. This bulletin addresses these vulnerabilities.

Vulnerability Details

CVEID: CVE-2016-1181**
DESCRIPTION:** Apache Struts could allow a remote attacker to execute arbitrary code on the system, caused by the failure to protect against unintended remote operations against components on server memory by the ActionForm instance. An attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 8.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113852 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2016-1182**
DESCRIPTION:** Apache Struts could allow a remote attacker to bypass security restrictions, caused by the improper validation of input by the Validator. An attacker could exploit this vulnerability to modify validation rules and error messages.
CVSS Base Score: 4.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113853 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L)

Affected Products and Versions

Flex System Manager 1.3.4.0
Flex System Manager 1.3.3.0
Flex System Manager 1.3.2.1
Flex System Manager 1.3.2.0

Remediation/Fixes

IBM recommends updating the FSM using the instructions referenced in this table.

WARNING: If an early version (fix downloaded before 4/19/2017) of the fix listed below was installed, the brand information on the FSM login screen will be displayed as “IBM Systems Director”. This branding issue will not cause any functional FSM issues. The correct FSM branding can be restored by downloading the current version of the fix (Release Date of the fix listed in table is 4/26/2017 or later), reinstalling the current version of the fix and restarting the FSM.

Product |

VRMF |

Remediation
—|—|—

Flex System Manager |

1.3.4.0 | Install fsmfix1.3.4.0_IT19321_IT19679_IT19695_IT19698_IT19709_IT19811

Flex System Manager |

1.3.3.0 | Install fsmfix1.3.3.0_IT19321_IT19679_IT19695_IT19698_IT19709_IT19811

Flex System Manager |

1.3.2.1
1.3.2.0 | Install fsmfix1.3.2.0_IT19321_IT19679_IT19695_IT19698_IT19709_IT19811

For all VRMF not listed in this table, IBM recommends upgrading to a fixed and supported version/release of the product.

For a complete list of FSM security bulletins refer to this technote: http://www-01.ibm.com/support/docview.wss?uid=nas7797054ebc3d9857486258027006ce4a0&myns=purflex&mync=E&cm_sp=purflex--NULL--E

Workarounds and Mitigations

None