Security Bulletin
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 |
|
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 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.
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
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References
Change History
Nov. 26, 2020: Original version published
*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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
26 November 2020
UID
ibm16373164