Security Bulletin: IBM QRadar Network Security is affected by multiple vulnerabilities.

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

—|—|—

IBM QRadar Network Security

|

5.4.0

|

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

install via the Available Updates page of the Local Management Interface.

IBM QRadar Network Security

|

5.5.0

|

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

install via the Available Updates page of the Local Management Interface.

Workarounds and Mitigations

None