Security Bulletin: Pam vulnerability affects IBM SmartCloud Entry (CVE-2015-3238)

Summary

IBM SmartCloud Entry is vulnerable to a pam vulnerability, which allows a local attacker exploit this vulnerability to enumerate user names and cause the system to hang.

Vulnerability Details

CVEID: CVE-2015-3238**
DESCRIPTION:** Linux-PAM could allow a local attacker to obtain sensitive information, caused by an error in the _unix_run_helper_binary function in the pam_unix module. An attacker could exploit this vulnerability using an overly large password to enumerate usernames and cause the system to hang.
CVSS Base Score: 5.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/106368 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)

Affected Products and Versions

IBM SmartCloud Entry 2.2.0 through 2.2.0.4 Appliance fix pack 3
IBM SmartCloud Entry 2.3.0 through 2.3.0.4 Appliance fix pack 3
IBM SmartCloud Entry 2.4.0 through 2.4.0.4 Appliance fix pack 3
IBM SmartCloud Entry 3.1.0 through 3.1.0.4 Appliance fix pack 17
IBM SmartCloud Entry 3.2.0 through 3.2.0.4 Appliance fix pack 17

Remediation/Fixes

Product

| VRMF| APAR| Remediation/First Fix
—|—|—|—
IBM SmartCloud Entry| 2.2| None| IBM SmartCloud Entry 2.2.0 Appliance fix pack 4:
http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~Other%2Bsoftware&product=ibm/Other+software/IBM+Starter+Kit+for+Cloud&release=All&platform=All&function=fixId&fixids=2.2.0.4-IBM-SKC_APPL-FP004&includeSupersedes=0
IBM SmartCloud Entry| 2.3| None| IBM SmartCloud Entry 2.3.0 Appliance fix pack 4:
http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~Other%2Bsoftware&product=ibm/Other+software/IBM+SmartCloud+Entry&release=All&platform=All&function=fixId&fixids=+2.3.0.4-IBM-SCE_APPL-FP004+&includeSupersedes=0
IBM SmartCloud Entry| 2.4| None| IBM SmartCloud Entry 2.4.0 Appliance fix pack 4:
http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~Other%2Bsoftware&product=ibm/Other+software/IBM+SmartCloud+Entry&release=All&platform=All&function=fixId&fixids=+2.4.0.4-IBM-SCE_APPL-FP004+&includeSupersedes=0
IBM SmartCloud Entry| 3.1| None| IBM SmartCloud Entry 3.1.0 Appliance fix pack 18:
http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~Other%2Bsoftware&product=ibm/Other+software/IBM+SmartCloud+Entry&release=3.1.0&platform=All&function=fixId&fixids=+3.1.0.4-IBM-SCE_APPL-FP18+&includeSupersedes=0
IBM SmartCloud Entry| 3.2| None| IBM SmartCloud Entry 3.2.0 Appliance fix pack 18:
http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~Other%2Bsoftware&product=ibm/Other+software/IBM+SmartCloud+Entry&release=All&platform=All&function=fixId&fixids=+3.2.0.4-IBM-SCE_APPL-FP18+&includeSupersedes=0

Workarounds and Mitigations

None