Security Bulletin: Multiple vulnerabilities in php5 affect IBM Flex System Manager (FSM) (CVE-2015-6836, CVE-2015-6837, CVE-2015-6838)

Summary

Multiple security vulnerabilities have been discovered in php5 that is embedded in the IBM FSM. This bulletin addresses these vulnerabilities.

Vulnerability Details

CVEID: CVE-2015-6836**
DESCRIPTION:** PHP could allow a remote attacker to execute arbitrary code on the system, caused by a type confusion error in the SOAP serialize_function_call() function. An attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/106365 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-6837**
DESCRIPTION:** PHP could allow a remote attacker to execute arbitrary code on the system, caused by a NULL pointer dereference error. By sending specially crafted XSLT data, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/106366 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-6838**
DESCRIPTION:** PHP could allow a remote attacker to execute arbitrary code on the system, caused by a NULL pointer dereference error. By sending specially crafted XSLT data, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/106367 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

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
Flex System Manager 1.3.1.x
Flex System Manager 1.3.0.x
Flex System Manager 1.2.x.x
Flex System Manager 1.1.x.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 |

IT14622

| Install fsmfix_1.3.4.0_IT14622_IT14623_IT14624
Flex System Manager|

1.3.3.x |

IT14622

| Install fsmfix_1.3.3.0_IT14622_IT14623_IT14624
Flex System Manager|

1.3.2.x |

IT14622

| Install fsmfix_1.3.2.0_IT14622_IT14623_IT14624
Flex System Manager|

1.3.1.x |

IT14622

| IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.
Flex System Manager|

1.3.0.x |

IT14622

| IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.
Flex System Manager|

1.2.x.x |

IT14622

| IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.
Flex System Manager|

1.1.x.x |

IT14622

| IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.

Workarounds and Mitigations

None