Security Bulletin: IBM Dynamic System Analysis (DSA) Preboot is affected by vulnerabilities in xorg-x11

Summary

IBM Dynamic System Analysis (DSA) Preboot has addressed the following vulnerabilities in xorg-x11.

Vulnerability Details

CVEID: CVE-2015-9262 DESCRIPTION: libXcursor is vulnerable to a one-byte heap-based buffer overflow, caused by improper bounds checking by the _XcursorThemeInherits in library.c. By persuading a victim to open a specially crafted Xcursor theme file, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 7.8
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/148854&gt; 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)

CVEID: CVE-2018-14665 DESCRIPTION: X.Org X server could allow a remote authenticated attacker to gain elevated privileges on the system, caused by improper validation of command line parameters. An attacker could exploit this vulnerability using the -modulepath argument or the -logfile argument to overwrite arbitrary files and execute unprivileged code on the system.
CVSS Base Score: 8.8
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/151991&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2018-14600 DESCRIPTION: X.Org libx11 could allow a remote attacker to execute arbitrary code on the system, caused by an out-of-bounds write flaw. By sending a specially-crafted value, 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/148663&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-2018-14599 DESCRIPTION: X.Org libx11 is vulnerable to a denial of service, caused by an off-by-one flaw in multiple functions. By sending malicious server responses, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/148661&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-2018-14598 DESCRIPTION: X.Org libx11 is vulnerable to a denial of service. By sending a specially-crafted reply, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/148664&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

Product

|

Affected Version

—|—

IBM Dynamic System Analysis (DSA) Preboot

|

9.6

Remediation/Fixes

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

Product

|

Fix Version

—|—

IBM Dynamic System Analysis (DSA) Preboot
(ibm_fw_dsa_dsyte2z-9.65_anyos_32-64)

|

dsyte2z-9.65

Workarounds and Mitigations

None