Security Bulletin: IBM Dynamic System Analysis (DSA) Preboot is affected by vulnerabilities in X.Org libs

Summary

IBM Dynamic System Analysis (DSA) Preboot has addressed the following vulnerabilities in X.Org libs.

Vulnerability Details

Summary

IBM Dynamic System Analysis (DSA) Preboot has addressed the following vulnerabilities in X.Org libs.

Vulnerability Details

CVEID: CVE-2016-7953

Description: X.Org libXvMC could allow a remote attacker to execute arbitrary code on the system, caused by a buffer read underflow. An attacker could exploit this vulnerability to execute arbitrary code on the system.

CVSS Base Score: 7.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/117553&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-2016-7952

Description: X.Org XRecord is vulnerable to a denial of service, caused by out-of-bounds memory access error. An attacker could exploit this vulnerability to cause the application to enter into an infinite loop.

CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/117551&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:L)

CVEID: CVE-2016-7951

Description: X.Org XRecord is vulnerable to a denial of service, caused by out-of-bounds memory access error. An attacker could exploit this vulnerability to cause the application to enter into an infinite loop.

CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/117550&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:L)

CVEID: CVE-2016-7948

Description: X.Org libXrandr could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow. An attacker could exploit this vulnerability to execute arbitrary code on the system.

CVSS Base Score: 7.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/117547&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-2016-7947

Description: X.Org libXrandr could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow. An attacker could exploit this vulnerability to execute arbitrary code on the system.

CVSS Base Score: 7.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/117546&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-2016-7946

Description: X.Org libXi is vulnerable to a denial of service, caused by out-of-bounds memory access error. An attacker could exploit this vulnerability to cause the application to enter into an infinite loop.

CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/117545&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:L)

CVEID: CVE-2016-7945

Description: X.Org libXi is vulnerable to a denial of service, caused by out-of-bounds memory access error. An attacker could exploit this vulnerability to cause the application to enter into an infinite loop.

CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/117544&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:L)

Affected products and versions

Remediation/Fixes

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

Workarounds and Mitigations

None.

References

• Complete CVSS V3 Guide
• On-line Calculator V3

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

Acknowledgement

None.

Change History
17 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.