Security Bulletin
Summary
Open Source Libreswan is used by IBM Netezza Host Management. IBM Netezza Host Management has addressed the applicable CVEs.
Vulnerability Details
DESCRIPTION: Libreswan is vulnerable to a denial of service, caused by a NULL pointer dereference in the send_v2N_spi_response_from_state function in ikev2_send.c. By sending two IKEv2 packets in 3des_cbc mode, a remote attacker could exploit this vulnerability to cause the pluto IKE daemon to restart.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/161562 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
DESCRIPTION: Libreswan could provide weaker than expected security, caused by missing integrity checking in the processing of IKEv1 informational exchange packets. A remote authenticated attacker could exploit this vulnerability to launch further attacks on the system.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/162652 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
- IBM Netezza Host Management 5.4.7.0 - 5.4.24.0
Remediation/Fixes
To resolve the reported CVEs for Red Hat Enterprise Linux (RHEL) on PureData System for Analytics N3001 and PureData System for Analytics N200x, update to the following IBM Netezza Host Management release:
| Product | VRMF | Remediation/First Fix |
| IBM Netezza Host Management | 5.4.25.0 | Link to Fix Central |
The Netezza Host Management software contains the latest RHEL updates for the operating systems certified for use on IBM Netezza/PureData System for Analytics appliances. IBM recommends upgrading to the latest Netezza Host Management version to ensure that your hosts have the latest fixes, security changes, and operating system updates. IBM Support can assist you with planning for the Netezza Host Management and operating system upgrades to your appliances.
For more details on IBM Netezza Host Management security patching:
Red Hat Enterprise Linux (RHEL) Security Patching for IBM PureData System for Analytics appliances
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
21 Aug 2019: 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:
17 October 2019
UID
ibm10961690