Security Bulletin: Multiple vulnerabilities in tiff affect IBM Flex System Manager(FSM)

Summary

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

Vulnerability Details

CVEID: CVE-2015-8783**
DESCRIPTION:** LibTIFF is vulnerable to a denial of service, caused by an out-of-bounds read in tif_luv.c. A remote attacker could exploit this vulnerability using specially-crafted TIFF images to cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110372 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2015-8782**
DESCRIPTION:** LibTIFF is vulnerable to a denial of service, caused by an out-of-bounds write in tif_luv.c. A remote attacker could exploit this vulnerability using specially-crafted TIFF images to cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110371 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2015-8781**
DESCRIPTION:** LibTIFF is vulnerable to a denial of service, caused by an out-of-bounds write in tif_luv.c. A remote attacker could exploit this vulnerability using specially-crafted LogL compressed TIFF images to cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110369 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2015-7554**
DESCRIPTION:** LibTIFF could allow a remote attacker to bypass security restrictions, caused by an error in field_passcount variable. By sending a specially-crafted request, an attacker could exploit this vulnerability to write data.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/109280 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 |

IT15245

| Install fsmfix_1.3.4.0_IT12598_IT15244_IT15245
Flex System Manager|

1.3.3.x |

IT15245

| Install fsmfix_1.3.3.0_IT12598_IT15244_IT15245
Flex System Manager|

1.3.2.x |

IT15245

| Install fsmfix_1.3.2.0_IT12598_IT15244_IT15245
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.

Workarounds and Mitigations

None