Security Bulletin
Summary
IBM QRadar Network Security has addressed the following vulnerabilities.
Vulnerability Details
DESCRIPTION: Mozilla Network Security Services (NSS), as used in Mozilla Firefox is vulnerable to a denial of service, caused by improper handling of CCS (ChangeCipherSpec) messages in TLS. By sending specially-crafted CCS messages, a remote attacker could exploit this vulnerability to cause the system to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190416 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-2021-31535
DESCRIPTION: X.Org libX11 is vulnerable to a denial of service, caused by improper input validation by the length of the string parameters. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause emission of extra X protocol requests to the X server, and results in a denial of service condition.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202043 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2021-20305
DESCRIPTION: Nettle could allow a remote attacker to bypass security restrictions, caused by a flaw related to several signature verification functions result in the Elliptic Curve Cryptography point (ECC) multiply function being invoked with out-of-range scalers. An attacker could exploit this vulnerability to force an invalid signature, causing an assertion failure or possible validation.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199653 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVEID: CVE-2020-25692
DESCRIPTION: OpenLDAP is vulnerable to a denial of service, caused by a NULL pointer dereference. By sending a specially crafted TCP packet, a remote attacker could exploit this vulnerability to cause slapd to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/191968 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)
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 5.4.0.14 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 5.5.0.9 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
Get Notified about Future Security Bulletins
References
Change History
05 Nov 2021: Initial Publication
*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:
07 November 2021
UID
ibm16514401