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IBMF11E16856730182427693A47E95D74CFF70E63BD4AC0AC55E9ED07DAC8CCA2E6
HistoryFeb 18, 2023 - 1:45 a.m.

Security Bulletin:A vulnerability in the Linux Pluggable Authentication Module (PAM) affects the IBM FlashSystem models 840 and 900 (CVE-2015-3238)

2023-02-1801:45:50
www.ibm.com
15

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:N/A:P

0.009 Low

EPSS

Percentile

81.9%

Summary

There is a vulnerability in Linux Pluggable Authentication Module (PAM) to which the IBM® FlashSystem™ 840 and IBM FlashSystem 900 are 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 840 including machine type and models (MTMs) for all available code levels. MTMs affected include 9840-AE1 and 9843-AE1.

FlashSystem 900 including machine type and models (MTMs) for all available code levels. MTMs affected include 9840-AE2 and 9843-AE2

Remediation/Fixes

MTMs

| VRMF| APAR| Remediation/First Fix
—|—|—|—
FlashSystem****840 MTM:
9840-AE1 &
9843-AE1

FlashSystem 900 MTMs:
9840-AE2 &
9843-AE2| _Code fixes are now available, the minimum VRMF containing the fix depends on the code stream:

_Fixed code 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)| _ _N/A| No workarounds or mitigations, other than applying this code fix, are known for this vulnerability

** **FlashSystem 840 fixes****and FlashSystem 900 fixes****are available @ IBM’s Fix Central

Workarounds and Mitigations

None

Use Vulners API to create your own security tool

API usage cases
  • Network scanning
  • Linux Patch management
  • Threat protection
  • No network audit solution

Ways of integration

Integrate Vulners API

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:N/A:P

0.009 Low

EPSS

Percentile

81.9%

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