Security Bulletin
Summary
IBM Security Network Protection uses Kerberos (krb5) to provide network authentication. The Kerberos (krb5) version that is shipped with IBM Security Network Protection contains multiple security vulnerabilities.
Vulnerability Details
CVEID: CVE-2015-8629
DESCRIPTION: MIT Kerberos could allow a remote authenticated attacker to obtain sensitive information, caused by a null termination in the xdr_nullstring() function. By sending specially-crafted data, an attacker could exploit this vulnerability to obtain sensitive information from the memory.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110395 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
CVEID: CVE-2015-8631
DESCRIPTION: MIT Kerberos is vulnerable to a denial of service, caused by the leak of the client and server name by the rb5_unparse_name() function. By sending specially-crafted data, a remote authenticated attacker could exploit this vulnerability to consume all available memory resources.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110393 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
IBM Security Network Protection 5.3.1
IBM Security Network Protection 5.3.2
Remediation/Fixes
|
Product | VRMF | Remediation/First Fix |
| IBM Security Network Protection | Firmware version 5.3.1 | Download Firmware 5.3.1.9 from IBM Security License Key and Download Center and upload and install via the Available Updates page of the Local Management Interface. |
| IBM Security Network Protection | Firmware version 5.3.2 | Install Firmware 5.3.2.3 from the Available Updates page of the Local Management Interface, or by performing a One Time Scheduled Installation from SiteProtector. |
Workarounds and Mitigations
None
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References
Change History
30 May 2016: 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.
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Document Information
Modified date:
16 June 2018
UID
swg21980157