ESB-2018.0750 - [HP-UX] HP-UX CIFS Server: Multiple vulnerabilities 2018-03-14

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0750
                          Samba patched in HP-UX
                               14 March 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           HP-UX CIFS Server
Publisher:         Hewlett-Packard
Operating System:  HP-UX
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Access Privileged Data          -- Remote/Unauthenticated
                   Provide Misleading Information  -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-15275 CVE-2017-14746 CVE-2017-12163
                   CVE-2017-12151 CVE-2017-12150 

Reference:         ESB-2017.2983
                   ESB-2017.2399.2

Original Bulletin: 
   https://support.hpe.com/hpsc/doc/public/display?docId=hpesbux03817en_us

Comment: Note that this does not relate to the recently-announced
         critical vulnerabilities in Samba, CVE-2018-1050 and CVE-2018-1057.

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HPESBUX03817 rev.2 - HP-UX CIFS Server, Local and Remote Vulnerabilities

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: hpesbux03817en_us

Version: 1

Release Date: 2018-03-12

Last Updated: 2018-03-13

Potential Security Impact: Local: Unauthorized Data Access; Remote: Disclosure
of Information, Unauthorized Data Access, Unauthorized Modification Of
Information

Source: Hewlett Packard Enterprise, HPE Product Security Response Team

VULNERABILITY SUMMARY

Security vulnerabilities have been identified the HP-UX Common Internet File
System (CIFS) Client/Server software. These vulnerabilities could be exploited
remotely and locally to allow unauthorized access to data.

References:

  * PSRT110681
  * CVE-2017-14746 - Affected version: Use-after-free vulnerability in Samba
    4.x before 4.7.3
  * CVE-2017-15275 - Affected version: All versions of Samba from 3.6.0
    onwards.
  * CVE-2017-12150 - Samba SMB Signing not enforced
  * CVE-2017-12151 - Samba SMB3 encryption across DFS redirects
  * CVE-2017-12163 - Samba SMB1 Information leak

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

HP-UX Common Internet File System (CIFS), Client/Server Software B.04.05.11.00

BACKGROUND

CVSS Version 3.0 and Version 2.0 Base Metrics

                                         V3                     V2
  Reference           V3 Vector         Base     V2 Vector     Base
                                       Score                  Score

                CVSS:3.0/AV:N/AC:H/            (AV:N/AC:H/
CVE-2017-12150  PR:N/UI:N/S:U/C:H/I:H  7.4     Au:N/C:C/I:C/  7.1
                /A:N                           A:N)

                CVSS:3.0/AV:N/AC:H/            (AV:N/AC:H/
CVE-2017-12151  PR:N/UI:N/S:U/C:H/I:H  7.4     Au:N/C:C/I:C/  7.1
                /A:N                           A:N)

                CVSS:3.0/AV:A/AC:L/            (AV:A/AC:L/
CVE-2017-12163  PR:L/UI:R/S:U/C:L/I:L  4.1     Au:S/C:P/I:P/  4.1
                /A:N                           A:N)

                CVSS:3.0/AV:N/AC:L/            (AV:N/AC:L/
CVE-2017-14746  PR:N/UI:N/S:U/C:L/I:L  7.3     Au:N/C:P/I:P/  7.5
                /A:L                           A:P)

                CVSS:3.0/AV:N/AC:L/            (AV:N/AC:L/
CVE-2017-15275  PR:N/UI:N/S:U/C:L/I:N  5.3     Au:N/C:P/I:N/  5.0
                /A:N                           A:N)

Information on CVSS is documented in HPE Customer Notice: HPSN-2008-002

RESOLUTION

HPE has provided the following software update to resolve these vulnerabilities
in the HP-UX Common Internet File System (CIFS) Client/Server software:

https://h20392.www2.hpe.com/portal/swdepot/displayProductInfo.do?productNumber=
B8725AA

HISTORY

  * Version:1 (rev.1) - 9 March 2018 Initial release
  * Version:2 (rev.2) - 13 March 2018 Added three additional Samba CVEs

Third Party Security Patches: Third party security patches that are to be
installed on systems running Hewlett Packard Enterprise (HPE) software products
should be applied in accordance with the customer's patch management policy.

Support: For issues about implementing the recommendations of this Security
Bulletin, contact normal HPE Services support channel. For other issues about
the content of this Security Bulletin, send e-mail to security-alert@hpe.com.

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