Security Bulletin: Vulnerabilities in glibc affect IBM Integrated Management Module II (IMM2) for System x, BladeCenter and Flex Systems (CVE-2015-1472, CVE-2013-7423, CVE-2014-7817, CVE-2014-9402)

Summary

The following security vulnerabilities have been addressed by IBM Integrated Management Module II (IMM2) for System x, BladeCenter and Flex Systems.

Vulnerability Details

Summary

The following security vulnerabilities have been addressed by IBM Integrated Management Module II (IMM2) for System x, BladeCenter and Flex Systems.

Vulnerability Details:

CVE-ID: CVE-2015-1472

Description: GNU glibc is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by stdio-common/vfscanf.c. By sending an overly long string, a local attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service.

CVSS Base Score: 4.6
CVSS Temporal Score: See <http://exchange.xforce.ibmcloud.com/vulnerabilities/100635&gt; for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVE-ID: CVE-2013-7423

Description: GNU glibc could allow a local attacker to obtain sensitive information, caused by the writing of DNS queries to random file descriptors under high load by the getaddrinfo() function. An attacker could exploit this vulnerability to obtain sensitive information.

CVSS Base Score: 1.2
CVSS Temporal Score: See <http://exchange.xforce.ibmcloud.com/vulnerabilities/100647&gt; for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:H/Au:N/C:P/I:N/A:N)

CVE-ID: CVE-2014-7817

Description: GNU C Library (glibc) could allow a local attacker to execute arbitrary commands on the system, caused by an error in the wordexp() function. An attacker could exploit this vulnerability to execute arbitrary commands on the system.

CVSS Base Score: 4.6
CVSS Temporal Score: See <http://exchange.xforce.ibmcloud.com/vulnerabilities/98852&gt; for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVE-ID: CVE-2014-9402

Description: glibc is vulnerable to a denial of service, caused by an error in the getanswer_r() function. If the DNS backend is activated, a remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop.

CVSS Base Score: 4.3
CVSS Temporal Score: See <http://exchange.xforce.ibmcloud.com/vulnerabilities/99289&gt; for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P)

Affected Products and Versions

Remediation/Fixes:

Firmware fix versions listed above are available on Fix Central:
<http://www.ibm.com/support/fixcentral/&gt;.

You should verify applying this fix does not cause any compatibility issues.

Workarounds and Mitigations:

None.

References:

• Complete CVSS v2 Guide
• On-line Calculator v2

Related Information:
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None.

Change History
18 February 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

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.