Security Bulletin: IBM Flex System Manager (FSM) is affected by a curl vulnerability (CVE-2016-0755)

Summary

A security vulnerability has been discovered in curl that is embedded in the IBM FSM. This bulletin addresses the vulnerability.

Vulnerability Details

CVEID: CVE-2016-0755**
DESCRIPTION:** Libcurl could allow a remote attacker to bypass security restrictions, caused by the failure to check NTLM-authenticated proxy connections for reuse. An attacker could exploit this vulnerability to use a proxy connection for a different authenticated client username.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110290 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:L/A:N)

Affected Products and Versions

Flex System Manager 1.3.4.x
Flex System Manager 1.3.3.x
Flex System Manager 1.3.2.x

Remediation/Fixes

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

Product |

VRMF |

APAR |

Remediation
—|—|—|—
Flex System Manager|

1.3.4.x |

IT15536

| Verify that Java updates have been installed, then install fsmfix1.3.4.0_IT15533_IT15534_IT15535_IT15536_IT16023.

Instructions for installing and verifying installation of Java updates can be found in Technote 761981453
Flex System Manager|

1.3.3.x |

IT15536

| Verify that Java updates have been installed, then install fsmfix1.3.3.0_IT15533_IT15534_IT15535_IT15536_IT16023.

Instructions for installing and verifying installation of Java updates can be found in Technote 736218441
Flex System Manager|

1.3.2.x |

IT15536

| Verify that Java updates have been installed, then install fsmfix1.3.2.0_IT15533_IT15534_IT15535_IT15536_IT16023.

Instructions for installing and verifying installation of Java updates can be found in Technote 736218441
For 1.1.x.x, 1.2.x.x, 1.3.0.x and 1.3.1.x IBM recommends upgrading to a fixed, supported version/release of the product.

You should verify applying this fix does not cause any compatibility issues. The fix disables MD5 signature hash by default. IBM recommends that you review your entire environment to identify other areas where you have enabled the MD5 signature hash and take appropriate mitigation and remediation actions.

Workarounds and Mitigations

None