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Security Bulletin: Multiple vulnerabilities in xorg-x11-libs affect IBM Flex System Manager (FSM) (CVE2015-1802, CVE-2015-1803, CVE-2015-1804)

Created by Vern Yetzer on

Security Bulletin


Summary

Multiple security vulnerabilities have been discovered in xorg-x11-libs that is embedded in the IBM FSM. This bulletin addresses these vulnerabilities.

Vulnerability Details

CVEID: CVE-2015-1802
DESCRIPTION: X.Org libXfont could allow a local attacker to gain elevated privileges on the system, caused by an error in bdfReadProperties() in the property count when parsing malicious files. An attacker could exploit this vulnerability to execute arbitrary code on the system with root privileges.
CVSS Base Score: 7.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/#/vulnerabilities/101608 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVEID: CVE-2015-1803
DESCRIPTION: X.Org libXfont is vulnerable to a denial of service, caused by an invalid pointer in bdfReadCharacters() when parsing malicious files. A local attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 4.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/#/vulnerabilities/101609 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C)

CVEID: CVE-2015-1804
DESCRIPTION: X.Org libXfont could allow a local attacker to gain elevated privileges on the system, caused by an error in bdfReadCharacters() when parsing malicious files. An attacker could exploit this vulnerability to execute arbitrary code on the system with root privileges.
CVSS Base Score: 7.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/#/vulnerabilities/101610 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C)

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.

Warning: Agents older than version 6.3.5 must be updated using the Technote listed in these Remediation plans before this FSM fix is installed or you will permanently lose contact with the endpoint with agents older than version 6.3.5

      Product
      VRMF
      APAR
      Remediation
Flex System Manager
      1.3.4.x
IT12597
Verify the required Java updates have been completed, then install fsmfix1.3.4.0_IT11636_IT12081_IT12596_IT12597_IT12599_IT12601_IT12602

Instructions for verifying installation of the Java updates can be found in the "Confirm the fixes were applied properly" section of Technote 761981453

Flex System Manager
      1.3.3.x
IT12597
Verify the required Java updates have been completed, then install fsmfix1.3.3.0_IT11636_IT12081_IT12596_IT12597_IT12599_IT12601_IT12602

Instructions for verifying installation of the Java updates can be found in the "Confirm the fixes were applied properly" section of Technote 736218441

Flex System Manager
      1.3.2.x
IT12597
Verify the required Java updates have been completed, then install fsmfix1.3.2.0_IT11636_IT12081_IT12596_IT12597_IT12599_IT12601_IT12602

Instructions for verifying installation of the Java updates can be found in the "Confirm the fixes were applied properly" section of Technote 736218441

Flex System Manager
      1.3.1.x
IT12597
IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.
Flex System Manager
      1.3.0.x
IT12597
IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.
Flex System Manager
      1.2.x.x
IT12597
IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.
Flex System Manager
      1.1.x.x
      IT12597
IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

20 January 2016 : Original version published

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Internal Use Only

Advisory 3145, PSIRT 58066

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Document Information

Modified date:
17 June 2018

UID

isg3T1023118

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