Security Bulletin: IBM Flex System Chassis Management Module (CMM) is affected by vulnerabilities in glib2, libxml2 and ntp

Security Bulletin

Summary

IBM Flex System Chassis Management Module (CMM) has addressed the following vulnerabilities in glib2, libxml2 and ntp.

Vulnerability Details

CVEID: CVE-2018-16429
DESCRIPTION: GNOME GLib is vulnerable to a denial of service, caused by an out-of-bounds read in g_markup_parse_context_parse() in gmarkup.c. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/149332 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2018-14404
DESCRIPTION: libxml2 is vulnerable to a denial of service, caused by a NULL pointer dereference in the xpath.c:xmlXPathCompOpEval() function. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/147260 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2016-9318
DESCRIPTION: Libxml2 could allow a remote attacker to obtain sensitive information, caused by failure to offer a flag directly indicating the status of current document. By using a specially-crafted document to conduct a XML external entity (XXE) attack, an attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base Score: 5.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/119018 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)

CVEID: CVE-2019-8936
DESCRIPTION: NTP is vulnerable to a denial of service, caused by a NULL pointer dereference in ntp_control.c. By sending specially crafted mode 6 packets, a remote authenticated attacker could exploit this vulnerability to cause the ntpd daemon to SIGSEGV.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/158926 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Product	Affected Version
IBM Flex System Chassis Management Module (CMM)	2PET

Remediation/Fixes

Firmware fix versions are available on Fix Central: http://www.ibm.com/support/fixcentral/

Product	Fix Version
IBM Flex System Chassis Management Module (CMM) (ibm_fw_cmm_2pet18c-2.5.16c_anyos_noarch)	2pet18c-2.5.16c

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

23 October 2019: 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.

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Tips

Security Bulletin: IBM Flex System Chassis Management Module (CMM) is affected by vulnerabilities in glib2, libxml2 and ntp