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Security Bulletin: Vulnerabilities in libxml2 affect IBM RackSwitch Products

Created by Sheila Hegeman on
Published URL:
https://www.ibm.com/support/pages/node/868836
868836

Security Bulletin


Summary

IBM RackSwitch Products have addressed the following vulnerabilities in libxml2.

Vulnerability Details

Summary

IBM RackSwitch 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 RackSwitch G8052 7.11
IBM RackSwitch G8124/G8124E 7.11
IBM RackSwitch G8264 7.11
IBM RackSwitch G8264CS 7.8
IBM RackSwitch G8264T 7.9
IBM RackSwitch G8316 7.9
IBM RackSwitch G8332 7.7

Remediation/Fixes:

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

Product Fix Version
IBM RackSwitch G8052 (G8052_Image_7.11.11.0) 7.11.11.0
IBM RackSwitch G8124/G8124E (G8124_G8124E_Image_7.11.11.0) 7.11.11.0
IBM RackSwitch G8264 (G8264_Image_7.11.11.0) 7.11.11.0
IBM RackSwitch G8264CS (G8264CS_Image_7.8.18.0) 7.8.18.0
IBM RackSwitch G8264T (G8264T_Image_7.9.21.0) 7.9.21.0
IBM RackSwitch G8316 (G8316_Image_7.9.21.0) 7.9.21.0
IBM RackSwitch G8332 (G8332_Image_7.7.27.0) 7.7.27.0

Workaround(s) & Mitigation(s):

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 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 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

Complete CVSS v3 Guide
On-line Calculator v3

On

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

*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-5099696

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