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
CVE-ID: CVE-2014-5352
Description: MIT krb5 could allow a remote authenticated attacker to execute arbitrary code on the system, caused by a double-free error in gss_process_context_token(). An attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 9.0
CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/#/vulnerabilities/100842 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:S/C:C/I:C/A:C)
CVE-ID: CVE-2014-5353
Description: MIT krb5 is vulnerable to a denial of service, caused by a NULL pointer dereference when kadmind is configured to use LDAP for the KDC database. A remote authenticated attacker could exploit this vulnerability to cause kadmind to crash.
CVSS Base Score: 3.5
CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/#/vulnerabilities/99346 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:S/C:N/I:N/A:P)
CVE-ID: CVE-2014-5355
Description: MIT Kerberos is vulnerable to a denial of service, caused by a NULL pointer dereference in the krb5_recvauth function. By sending a non-null-terminated version string, a remote attacker could exploit this vulnerability to cause the service to crash.
CVSS Base Score: 5.0
CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/#/vulnerabilities/100972 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P
CVE-ID: CVE-2014-9421
Description: MIT krb5 could allow a remote authenticated attacker to execute arbitrary code on the system, caused by a double-free error in the kadmind daemon. An attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 9.0
CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/vulnerabilities/100841 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:S/C:C/I:C/A:C)
CVE-ID: CVE-2014-9422
Description: MIT krb5 could allow a remote authenticated attacker to bypass security restrictions, caused by the acceptance of authentications to two-component server principals. An attacker could exploit this vulnerability to impersonate arbitrary users.
CVSS Base Score: 6.1
CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/vulnerabilities/100840 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/Au:S/C:P/I:P/A:C)
Affected Products and Versions
IBM Security Network Protection 5.2
IBM Security Network Protection 5.3
Remediation/Fixes
|
Product | VRMF | Remediation/First Fix |
| IBM Security Network Protection | Firmware version 5.2 | Download 5.2.0.0-ISS-XGS-All-Models-Hotfix-FP0010 from IBM Fix Central and upload and install via the Available Updates page of the local management interface. |
| IBM Security Network Protection | Firmware version 5.3 | Install Fixpack 5.3.1.2 from the Available Updates page of the local management interface, or by performing a One Time Scheduled Installation from SiteProtector. |
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
8 July 2015: 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
swg21961670