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HistoryJan 31, 2019 - 2:40 a.m.

Security Bulletin: Vulnerabilities in libxml2 affect Intel® Manycore Platform Software Stack (Intel® MPSS) for Linux and Windows (CVE-2017-16931, CVE-2017-16932)

2019-01-3102:40:01
www.ibm.com
7

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

Summary

Intel® Manycore Platform Software Stack (Intel® MPSS) for Linux and Windows have addressed the following vulnerabilities in libxml2.

Vulnerability Details

Summary

Intel® Manycore Platform Software Stack (Intel® MPSS) for Linux and Windows have addressed the following vulnerabilities in libxml2.

Vulnerability Details

CVEID: CVE-2017-16931

Description: Xmlsoft libxml2 is vulnerable to a buffer overflow, caused by improper handling of parameter-entity references in xmlParserHandlePEReference function. By using a percent character in a DTD name, a remote attacker could overflow a buffer and execute arbitrary code on the system.

CVSS Base Score: 7.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/135488&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2017-16932

Description: Xmlsoft libxml2 is vulnerable to a denial of service, caused by an infinite recursion issue in parameter entities. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to exhaust available memory on the system.

CVSS Base Score: 7.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/135489&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

The following products used with Intel Xeon Phi PCI-Express cards (Intel Xeon Phi 3120A, Intel Xeon Phi 5110P, Intel Xeon Phi 7120A, and Intel Xeon Phi 7210P) on the System x systems:

  • iDataPlex dx360 M4
  • NeXtScale nx360 M4
  • PureFlex x220 M4 / x240 M4 / x240 M5
  • x3850 X6 / x3950 X6
    Product | Affected Version
    —|—
    Intel® Manycore Platform Software Stack (MPSS) for Linux & Windows | 3.8

Remediation/Fixes

IBM recommends that you update the affected versions of Intel MPSS that are used with the Intel Xeon Phi cards supported in IBM System x Servers to MPSS version 3.8.4 or later.

Instructions on how to download and apply the update are available at:

https://software.intel.com/en-us/articles/intel-manycore-platform-software-stack-mpss

Product Fix Version
Intel® Manycore Platform Software Stack (MPSS) for Linux & Windows 3.8.4

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
15 May 2018: 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.

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

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