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Security Bulletin: Vulnerabilities in libxml2 affect IBM Flex System Networking Switch Products

Created by Brian Bedard on
Published URL:
https://www.ibm.com/support/pages/node/868848
868848

Security Bulletin


Summary

IBM Flex System Networking Switch Products have addressed the following vulnerabilities in libxml2.

Vulnerability Details

Summary

IBM Flex System Networking Switch Products have addressed the following vulnerabilities in libxml2.

Vulnerability Details

CVEID: CVE-2017-7376

Description: libxml2 is vulnerable to a denial of service, caused by the incorrect limit used when calculating the port value in xmlParse3986Port function. An attacker could exploit this vulnerability to cause a denial of service.

CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/128276 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2017-7375

Description: libxml2 could allow a remote attacker to obtain sensitive information, caused by missing validation for external entities in xmlParsePEReference. By sending specially-crafted XML data, an attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service.

CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/128275 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L)

CVEID: CVE-2017-0663

Description: Google Android could allow a remote attacker to execute arbitrary code on the system, caused by a flaw in libxml2. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code within the context of an unprivileged process.

CVSS Base Score: 7.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/127292 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:H/A:H)

Affected products and versions

Product Affected Version
IBM Flex System Fabric EN4093R 10Gb Scalable Switch 7.8
IBM Flex System Fabric CN4093 10Gb Converged Scalable Switch 7.8
What IBM Flex System Fabric SI4093 System Interconnect Module 7.8
IBM Flex System EN2092 1Gb Ethernet Scalable Switch 7.8

Remediation/Fixes

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

Product Fixed Version
IBM Flex System Fabric EN4093R 10Gb Scalable Switch
(ibm_fw_scsw_en4093r-7.8.18.0_anyos_noarch)
7.8.18.0
IBM Flex System Fabric CN4093 10Gb Converged Scalable Switch
(ibm_fw_scsw_cn4093-7.8.18.0_anyos_noarch)
7.8.18.0
What IBM Flex System Fabric SI4093 System Interconnect Module
(ibm_fw_scsw_si4093-7.8.18.0_anyos_noarch)
7.8.18.0
IBM Flex System EN2092 1Gb Ethernet Scalable Switch
(ibm_fw_scsw_en2092-7.8.18.0_anyos_noarch)
7.8.18.0

Workarounds and Mitigations

None.

References

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

Acknowledgement

None.

Change History
21 November, 2017: 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.

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References

On

*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.

Document Location

Worldwide

Operating System

PureFlex System and Flex System:Operating system independent / None

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Document Information

Modified date:
30 January 2019

UID

ibm1MIGR-5099702