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HistoryNov 27, 2020 - 2:34 a.m.

Security Bulletin: IBM QRadar Network Security is affected by Network Time Protocol (NTP) vulnerabilities (CVE-2020-11868, CVE-2020-13817)

2020-11-2702:34:47
www.ibm.com
48

EPSS

0.059

Percentile

93.5%

Summary

IBM QRadar Network Security is affected by Network Time Protocol (NTP) vulnerabilities of denial of service by flaw in ntpd, relying on unauthenticated IPv4 time sources in ntpd.

Vulnerability Details

CVEID:CVE-2020-11868
**DESCRIPTION:**NTP is vulnerable to a denial of service, caused by a flaw in ntpd. By sending a server mode packet with a spoofed source IP address, a remote attacker could exploit this vulnerability to block unauthenticated synchronization resulting in a denial of service condition.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/180011 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2020-13817
**DESCRIPTION:**NTP is vulnerable to a denial of service, caused by an issue when relying on unauthenticated IPv4 time sources in ntpd. By predicting transmit timestamps for use in spoofed packets, a remote attacker could exploit this vulnerability to cause the daemon to crash or system time change.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/183494 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H)

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

β€”|β€”|β€”

IBM QRadar Network Security

|

5.4.0

|

Install Firmware 5.4.0.12 from the Available Updates page of the

Local Management Interface, or by performing a One Time Scheduled

Installation from SiteProtector.

Or
Download Firmware 5.4.0.12 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 5.5.0.7 from the Available Updates page of the

Local Management Interface, or by performing a One Time Scheduled

Installation from SiteProtector.

Or
Download Firmware 5.5.0.7 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