Security Bulletin
Summary
There is a vulnerability in the Linux Pluggable Authentication Module (PAM) to which the IBM® FlashSystem™ V840 is susceptible. An exploit of this vulnerability could allow a remote attacker to expose sensitive information and/or cause a denial of service.
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
FlashSystem V840 including machine type and models (MTMs) for all available code levels. MTMs affected include 9846-AE1, 9848-AE1, 9846-AC0, 9848-AC0, 9846-AC1, and 9848-AC1.
Remediation/Fixes
|
V840 MTMs | VRMF | APAR | Remediation/First Fix |
| Storage nodes: 9846-AE1 & 9848-AE1 Control nodes: 9846-AC0, 9846-AC1, 9848-AC0 & 9848-AC1 | Code fixes are now available, the minimum VRMF containing the fix depends on the code stream: Storage Node VRMF . 1.4 stream: 1.4.0.10 (or later) 1.3 stream: 1.3.0.5 (or later) 1.2 stream: 1.2.1.9 (or later) Controller Node VRMF . 7.6 stream: 7.6.0.4 (or later) 7.5 stream: 7.5.0.7 (or later) 7.4 stream: 7.4.0.9 (or later) | N/A | No workarounds or mitigations, other than applying this code fix, are known for this vulnerability |
FlashSystem V840 fixes for storage and controller node are available @ IBM’s Fix Central
Workarounds and Mitigations
None
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References
Acknowledgement
None
Change History
03 March 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:
17 June 2018
UID
ssg1S1005488