Security Bulletin: IBM Security Network Intrusion Prevention System is affected by krb5 vulnerabilities (CVE-2014-5352, CVE-2014-9421, CVE-2014-9422, CVE-2014-9423)

Summary

Security vulnerabilities have been discovered in krb5 used with IBM Security Intrusion Prevention System.

Vulnerability Details

CVEID: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: See https://exchange.xforce.ibmcloud.com/vulnerabilities/100842 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

CVEID: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.n unspecified error in OpenSSL related to the production of incorrect results on some platforms by Bignum squaring (BN_sqr) has an unknown attack vector and impact.

CVSS Base Score: 9.0
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/100841 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

CVEID: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: See https://exchange.xforce.ibmcloud.com/vulnerabilities/100840 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: AV:N/AC:H/Au:S/C:P/I:P/A:C

CVEID:CVE-2014-9423

**DESCRIPTION:**MIT krb5 could allow a remote attacker to obtain sensitive information, caused by the leak of 4-byte or 8-byte portions of uninitialized memory to the network by the libgssrpc application. An attacker could exploit this vulnerability to obtain sensitive information.

CVSS Base Score: 5.0
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/100839 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected Products and Versions

Products: GX3002, GX4002, GX4004, GX4004-v2, GX5008, GX5008-v2, GX5108, GX5108-v2, GX5208, GX5208-v2, GX6116, GX7412, GX7412-10, GX7412-05, GX7800, GV200, GV1000

Firmware versions 4.6.2, 4.6.1, 4.6, 4.5, 4.4, and 4.3

Remediation/Fixes

Product

| VRMF| Remediation/First Fix
—|—|—
IBM Security Network Intrusion Prevention System | Firmware version 4.6.2| 4.6.2.0-ISS-ProvG-AllModels-System-FP0008
IBM Security Network Intrusion Prevention System | Firmware version 4.6.1| 4.6.1.0-ISS-ProvG-AllModels-System-FP0012
IBM Security Network Intrusion Prevention System | Firmware version 4.6| 4.6.0.0-ISS-ProvG-AllModels-System-FP0010
IBM Security Network Intrusion Prevention System | Firmware version 4.5| 4.5.0.0-ISS-ProvG-AllModels-System-FP0012
IBM Security Network Intrusion Prevention System | Firmware version 4.4| 4.4.0.0-ISS-ProvG-AllModels-System-FP0012
IBM Security Network Intrusion Prevention System | Firmware version 4.3| 4.3.0.0-ISS-ProvG-AllModels-System-FP0010

Workarounds and Mitigations

None