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HistoryAug 01, 2018 - 6:44 p.m.

Security Bulletin: Vulnerabilities in GSKit affect IBM Spectrum Scale (CVE-2018-1431, CVE-2017-3736, CVE-2017-3732, CVE-2016-0705 )

2018-08-0118:44:04
www.ibm.com
9

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

Summary

Vulnerabilities in GSKit affect IBM Spectrum Scale where:
- a local attacker could obtain control of the Spectrum Scale daemon and to access and modify files in the Spectrum Scale file system, and possibly to obtain administrator privileges on the node (CVE-2018-1431)
- OpenSSL could allow a remote attacker to obtain sensitive information, caused by a carry propagation flaw in the x86_64 Montgomery squaring function bn_sqrx8x_internal(). An attacker with online access to an unpatched system could exploit this vulnerability to obtain information about the private key (CVE-2017-3736)
- OpenSSL could allow a remote attacker to obtain sensitive information, caused by a carry propagating bug in the x86_64 Montgomery squaring procedure. An attacker could exploit this vulnerability to obtain information about the private key (CVE-2017-3732)
- OpenSSL is vulnerable to a denial of service, caused by a double-free error when parsing DSA private keys. An attacker could exploit this vulnerability to corrupt memory and cause a denial of service (CVE-2016-0705)

Vulnerability Details

CVEID: CVE-2018-1431 DESCRIPTION: A vulnerability in GSKit affects IBM Spectrum Scale that could allow a local attacker to obtain control of the Spectrum Scale daemon and to access and modify files in the Spectrum Scale file system, and possibly to obtain administrator privileges on the node.
CVSS Base Score: 7.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/139240 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2017-3736 DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by a carry propagation flaw in the x86_64 Montgomery squaring function bn_sqrx8x_internal(). An attacker with online access to an unpatched system could exploit this vulnerability to obtain information about the private key.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/134397 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID: CVE-2017-3732 DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by a carry propagating bug in the x86_64 Montgomery squaring procedure. An attacker could exploit this vulnerability to obtain information about the private key.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/121313 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2016-0705 DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a double-free error when parsing DSA private keys. An attacker could exploit this vulnerability to corrupt memory and cause a denial of service.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111140 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM Spectrum Scale V5.0.0.0 thru V5.0.0.2

IBM Spectrum Scale V4.2.3.0 thru V4.2.3.8

IBM Spectrum Scale V4.2.2.0 thru V4.2.2.3

IBM Spectrum Scale V4.2.1.0 thru V4.2.1.2

IBM Spectrum Scale V4.2.0.0 thru V4.2.0.4

IBM Spectrum Scale V4.1.1.0 thru V4.1.1.19

IBM General Parallel File System V4.1.0.0 thru V4.1.0.8

Remediation/Fixes

For IBM Spectrum Scale V5.0.0.0 thru 5.0.0.2, apply V5.0.1 available from FixCentral at:
https://www-945.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.0.1&platform=All&function=all

For IBM Spectrum Scale V4.2.0.0 thru V4.2.3.8, apply V4.2.3.9 available from FixCentral at:
https://www-945.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=4.2.3&platform=All&function=all

For IBM Spectrum Scale V4.1.0.0 (GPFS) thru V4.1.1.19, apply V4.1.1.20 available from FixCentral at:
https://www-945.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%2Bdefined%2Bstorage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=4.1.1&platform=All&function=all

If you cannot apply the latest level of service, contact IBM Service for a stand-alone GSKit package (gpfs.gskit) for you level and platform of IBM Spectrum Scale:

- For IBM Spectrum Scale V5.0, reference APAR IJ05680
- For IBM Spectrum Scale V4.2, reference APAR IJ05666
- For IBM Spectrum Scale V4.1.1, reference APAR IJ05628

To contact IBM Service, see http://www.ibm.com/planetwide/

Workarounds and Mitigations

None

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

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