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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.3550
        Security Bulletin: IBM QRadar Network Security is affected
                       by multiple vulnerabilities.
                               21 July 2022

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM QRadar Network Security
Publisher:         IBM
Operating System:  Network Appliance
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-7595 CVE-2019-20388 CVE-2019-19956
                   CVE-2019-18197 CVE-2019-11068 CVE-2019-5188
                   CVE-2019-5094 CVE-2018-11782 CVE-2017-12652

Original Bulletin: 
   https://www.ibm.com/support/pages/node/6441625

Comment: CVSS (Max):  7.5 CVE-2020-7595 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
         CVSS Source: IBM
         Calculator:  https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

- --------------------------BEGIN INCLUDED TEXT--------------------

IBM QRadar Network Security is affected by multiple vulnerabilities.

Document Information

Document number    : 6441625
Modified date      : 19 July 2022
Product            : IBM QRadar Network Security
Software version   : 5.4.0, 5.5.0
Operating system(s): Firmware

Summary

IBM QRadar Network Security has addressed the following vulnerabilities.

Vulnerability Details

CVEID: CVE-2018-11782
DESCRIPTION: Apache Subversion svnserve servers is vulnerable to a denial of
service, caused by an error in the svnserve 'get-deleted-rev' process. By
sending a specially-crafted request, a remote authenticated attacker could
exploit this vulnerability to cause the process to exit.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
164536 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2019-19956
DESCRIPTION: libxml2 is vulnerable to a denial of service, caused by a memory
leak in xmlParseBalancedChunkMemoryRecover in parser.c. By persuading a victim
to open a specially crafted file, a remote attacker could exploit this
vulnerability to cause the application to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
173518 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2019-20388
DESCRIPTION: GNOME libxml2 could allow a remote attacker to obtain sensitive
information, caused by a xmlSchemaValidateStream memory leak in xmlSchemaPreRun
in xmlschemas.c. By persuading a victim to open a specially crafted file, an
attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
175539 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)

CVEID: CVE-2020-7595
DESCRIPTION: The Gnome Project Libxml2 is vulnerable to a denial of service,
caused by an error in xmlStringLenDecodeEntities in parser.c. An attacker could
exploit this vulnerability to cause the application to enter into an infinite
loop.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
175333 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2019-5094
DESCRIPTION: E2fsprogs could allow a remote authenticated attacker to execute
arbitrary code on the system, caused by an out-of-bounds write in the quota
file functionality. By persuading a victim to open a specially-crafted file, an
attacker could exploit this vulnerability to execute arbitrary code on the
system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
167547 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H)

CVEID: CVE-2019-5188
DESCRIPTION: E2fsprogs could allow a local authenticated attacker to execute
arbitrary code on the system, caused by an out-of-bounds write in the directory
rehashing function. By using a specially-crafted ext4 directory, an attacker
could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
174075 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H)

CVEID: CVE-2017-12652
DESCRIPTION: An unspecified error with improper validation of length of chunks
against the user limit in libpng has an unknown impact and attack vector.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
163589 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID: CVE-2019-11068
DESCRIPTION: libxslt could allow a remote attacker to bypass security
restrictions, caused by a flaw in the xsltCheckRead and xsltCheckWrite
routines. By sending a specially-crafted request, an attacker could exploit
this vulnerability to bypass access restrictions.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
159898 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID: CVE-2019-18197
DESCRIPTION: libxslt is vulnerable to a denial of service, caused by a
use-after-free flaw in the xsltCopyText function function in transform.c. By
sending a specially-crafted request, a remote attacker could exploit this
vulnerability to cause a denial of service condition or obtain uninitialized
data.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
169684 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)

Affected Products and Versions

IBM QRadar Network Security 5.4.0

IBM QRadar Network Security 5.5.0

Remediation/Fixes

+----------------------------------+------+------------------------------------------------------------------------------------------+
|Product                           |VRMF  |Remediation/First Fix                                                                     |
+----------------------------------+------+------------------------------------------------------------------------------------------+
|                                  |      |Install Firmware 5.4.0.13 from the Available Updates page of the                          |
|                                  |      |                                                                                          |
|                                  |      |Local Management Interface, or by performing a One Time Scheduled                         |
|                                  |      |                                                                                          |
|                                  |      |Installation from SiteProtector.                                                          |
|                                  |      |                                                                                          |
|                                  |      |Or                                                                                        |
|                                  |      |Download Firmware 5.4.0.13 from                                                           |
|                                  |      |                                                                                          |
|                                  |      |IBM Security License Key and Download Center and upload and                               |
|                                  |      |                                                                                          |
|IBM QRadar Network Security       |5.4.0 |install via the Available Updates page of the Local Management Interface.                 |
+----------------------------------+------+------------------------------------------------------------------------------------------+
|                                  |      |Install Firmware 5.5.0.8 from the Available Updates page of the                           |
|                                  |      |                                                                                          |
|                                  |      |Local Management Interface, or by performing a One Time Scheduled                         |
|                                  |      |                                                                                          |
|                                  |      |Installation from SiteProtector.                                                          |
|                                  |      |                                                                                          |
|                                  |      |                                                                                          |
|                                  |      |Or                                                                                        |
|                                  |      |Download Firmware 5.5.0.8 from                                                            |
|                                  |      |                                                                                          |
|                                  |      |IBM Security License Key and Download Center and upload and                               |
|                                  |      |                                                                                          |
|IBM QRadar Network Security       |5.5.0 |install via the Available Updates page of the Local Management Interface.                 |
+----------------------------------+------+------------------------------------------------------------------------------------------+

Workarounds and Mitigations

None

Acknowledgement

Change History

08 Apr 2021: Original version published

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