Security Bulletin: Multiple vulnerabilities in xorg-x11-server affect IBM Flex System Manager (FSM)

Vulnerability Details

Summary

There are multiple vulnerabilities in xorg-x11-server that is used by IBM Flex System Manager (FSM). This bulletin addresses these vulnerabilities.

Vulnerability Details

CVE-ID: CVE-2014-8091

Description: X server is vulnerable to a denial of service, caused by a NULL pointer dereference error. By sending a specially-crafted request, an attacker could exploit this vulnerability to cause the application to crash.

CVSS Base Score: 5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99217 for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVE-ID: CVE-2014-8092

Description: X server could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in the ProcPutImage() and other functions. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to execute arbitrary code on the system.

CVSS Base Score: 7.5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99218 for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVE-ID: CVE-2014-8093

Description: GLX extension for X server could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in the __glXDisp_ReadPixels() and other functions. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to execute arbitrary code on the system.

CVSS Base Score: 7.5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99219 for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVE-ID: CVE-2014-8094

Description: DRI2 extension for X server could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in the ProcDRI2GetBuffers() function. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to execute arbitrary code on the system.

CVSS Base Score: 7.5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99220 for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVE-ID: CVE-2014-8095

Description: XInput extension for X server is vulnerable to a buffer overflow, caused by improper bounds checking by the SProcXChangeDeviceControl() and other functions. A remote attacker could overflow a buffer and execute arbitrary code on the system.

CVSS Base Score: 6.8
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99221 for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVE-ID: CVE-2014-8096

Description: XC-MISC extension for X server is vulnerable to a buffer overflow, caused by improper bounds checking by the SProcXCMiscGetXIDList() function. A remote attacker could overflow a buffer and execute arbitrary code on the system.

CVSS Base Score: 6.8
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99222 for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVE-ID: CVE-2014-8097

Description: DBE extension for X server is vulnerable to a buffer overflow, caused by improper bounds checking by the ProcDbeSwapBuffers() function. A remote attacker could overflow a buffer and execute arbitrary code on the system.

CVSS Base Score: 6.8
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99223 for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVE-ID: CVE-2014-8098

Description: GLX extension for X server is vulnerable to a buffer overflow, caused by improper bounds checking by the __glXDisp_Render() and other functions. A remote attacker could overflow a buffer and execute arbitrary code on the system.

CVSS Base Score: 6.8
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99224 for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVE-ID: CVE-2014-8099

Description: XVideo extension for X server is vulnerable to a buffer overflow, caused by improper bounds checking by the SProcXvQueryExtension() and other functions. A remote attacker could overflow a buffer and execute arbitrary code on the system.

CVSS Base Score: 6.8
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99225 for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVE-ID: CVE-2014-8100

Description: Render extension for X server is vulnerable to a buffer overflow, caused by improper bounds checking by the ProcRenderQueryVersion() and other functions. A remote attacker could overflow a buffer and execute arbitrary code on the system.

CVSS Base Score: 6.8
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99226 for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVE-ID: CVE-2014-8101

Description: RandR extension for X server is vulnerable to a buffer overflow, caused by improper bounds checking by the SProcRRQueryVersion() and other functions. A remote attacker could overflow a buffer and execute arbitrary code on the system.

CVSS Base Score: 6.8
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99227 for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVE-ID: CVE-2014-8102

Description: XFixes extension for X server is vulnerable to a buffer overflow, caused by improper bounds checking by the SProcXFixesSelectSelectionInput() function. A remote attacker could overflow a buffer and execute arbitrary code on the system.

CVSS Base Score: 6.8
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99228 for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

Affected products and versions

• Flex System Manager 1.1.x.x
• Flex System Manager 1.2.0.x
• Flex System Manager 1.2.1.x
• Flex System Manager 1.3.0.x
• Flex System Manager 1.3.1.x
• Flex System Manager 1.3.2.x
• Flex System Manager 1.3.3.x
• Flex System Manager 1.3.4.x

Remediation/Fixes

Workarounds and Mitigations

None.

Reference

• Complete CVSS Guide
• On-line Calculator V2

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

Acknowledgement

None.

Change History
12 June 2015: Original Copy Published
12 October 2015: Updated for 1.3.4

* 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.