Security Bulletin: GNU C library (glibc) vulnerability affects IBM Flex System Manager (FSM) (CVE-2015-0235)

2019-01-3101:45:01

www.ibm.com

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

JSON

Summary

GNU C library (glibc) vulnerability that has been referred to as GHOST affects IBM Flex System Manager (FSM).

Vulnerability Details

Abstract

GNU C library (glibc) vulnerability that has been referred to as GHOST affects IBM Flex System Manager (FSM).

Vulnerability Details:

CVE-ID: CVE-2015-0235

Description: glibc is vulnerable to a heap-based buffer overflow, caused bounds checking by the __nss_hostname_digits_dots() function. By sending an invalid hostname argument, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

CVSS Base Score: 7.6
CVSS Temporal Score: See <http://xforce.iss.net/xforce/xfdb/100386> for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/Au:N/C:C/I:C/A:C)

Affected products and versions

Flex System Manager 1.1.x.x
Flex System Manager 1.2.0.x
Flex System Manager 1.2.1.x
Flex System Manager 1.3.0.x
Flex System Manager 1.3.1.x
Flex System Manager 1.3.2.x

Remediation/Fixes:

IBM recommends that you remediate these vulnerabilities through the following code upgrades:

Product	VRMF	APAR	Remediation
Flex System Manager	1.3.2.x	IT06769	fsmfix1.3.2.0_IT06769
Flex System Manager	1.3.1.x	IT06769	fsmfix1.3.1.0_IT06769
Flex System Manager	1.3.0.x	IT06769	fsmfix1.3.0.0_IT06769
Flex System Manager	1.2.1.x	IT06769	IBM is no longer providing code updates for this release, upgrade to FSM 1.3.2.0 and follow the appropriate remediation for all vulnerabilities.
Flex System Manager	1.2.0.x	IT06769	IBM is no longer providing code updates for this release, upgrade to FSM 1.3.2.0 and follow the appropriate remediation for all vulnerabilities.
Flex System Manager	1.1.x.x	IT06769	IBM is no longer providing code updates for this release, upgrade to FSM 1.3.2.0 and follow the appropriate remediation for all vulnerabilities.

Once updates have been applied, restart the FSM using smshutdown -t now -r.

IBM recommends that you review your entire environment to identify vulnerable releases of glibc including your Operating Systems and take appropriate mitigation and remediation actions. Please contact your Operating System provider for more information.

Workaround(s) & Mitigation(s):

None.

Reference:

Acknowledgement

None.

Change History
11 February 2015: Original Copy 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 Flash.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an “industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response.” IBM PROVIDES THE CVSS SCORES “AS IS” WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.