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aixCentOS ProjectSOLARIS_ADVISORY.ASC
HistoryDec 11, 2018 - 9:25 a.m.

There is a vulnerability in Oracle Solaris that affects AIX.,There is a vulnerability in Oracle Solaris that affects VIOS.

2018-12-1109:25:56
CentOS Project
aix.software.ibm.com
112

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.912 High

EPSS

Percentile

98.8%

JSON

IBM SECURITY ADVISORY

First Issued: Tue Dec 11 09:25:56 CST 2018

The most recent version of this document is available here:
http://aix.software.ibm.com/aix/efixes/security/solaris_advisory.asc
https://aix.software.ibm.com/aix/efixes/security/solaris_advisory.asc
ftp://aix.software.ibm.com/aix/efixes/security/solaris_advisory.asc

Security Bulletin: Vulnerability in Oracle Solaris affects AIX (CVE-2017-3623)

===============================================================================

SUMMARY:

There is a vulnerability in Oracle Solaris that affects AIX.

===============================================================================

VULNERABILITY DETAILS:

CVEID: CVE-2017-3623
    https://vulners.com/cve/CVE-2017-3623
    https://vulners.com/cve/CVE-2017-3623
DESCRIPTION: An unspecified vulnerability in Oracle Sun Systems related 
    to the Solaris Kernel RPC component could allow an unauthenticated 
    attacker to take control of the system.
CVSS Base Score: 10
CVSS Temporal Score: See 
    https://exchange.xforce.ibmcloud.com/vulnerabilities/124996
    for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)


AFFECTED PRODUCTS AND VERSIONS:

    AIX 5.3, 6.1, 7.1, 7.2
    VIOS 2.2.x 

    The following fileset levels are vulnerable:
    
    key_fileset = aix

    Fileset                 Lower Level  Upper Level KEY 
    ---------------------------------------------------------
    bos.net.tcp.client      5.3.12.0     5.3.12.10   key_w_fs
    bos.net.tcp.client      6.1.9.0      6.1.9.400   key_w_fs
    bos.net.tcp.client      7.1.4.0      7.1.4.33    key_w_fs
    bos.net.tcp.client      7.1.5.0      7.1.5.30    key_w_fs
    bos.net.tcp.client_core 7.2.0.0      7.2.0.5     key_w_fs
    bos.net.tcp.client_core 7.2.1.0      7.2.1.3     key_w_fs
    bos.net.tcp.client_core 7.2.2.0      7.2.2.16    key_w_fs
    bos.net.tcp.client_core 7.2.3.0      7.2.3.0     key_w_fs
    
    To find out whether the affected filesets are installed 
    on your systems, refer to the lslpp command found in AIX user's guide.

    Example:  lslpp -L | grep -i bos.net.tcp.client


REMEDIATION:

    A. APARS
        
        IBM has assigned the following APARs to this problem:

        AIX Level APAR     Availability  SP        KEY
        -----------------------------------------------------
        5.3.12    IJ10554  **            N/A       key_w_apar
        6.1.9     IJ10134  **            SP12-1846 key_w_apar
        7.1.4     IJ10275  **            SP07-1845 key_w_apar
        7.1.5     IJ10132  **            SP03-1846 key_w_apar
        7.2.0     IJ10553  **            N/A       key_w_apar
        7.2.1     IJ10552  **            SP05-1845 key_w_apar
        7.2.2     IJ10130  **            SP03-1845 key_w_apar
        7.2.3     IJ09805  **            SP02-1845 key_w_apar

        VIOS Level APAR    Availability  SP       KEY
        ----------------------------------------------------
        2.2.4      IJ10134 **            N/A      key_w_apar
        2.2.5      IJ10134 **            2.2.5.50 key_w_apar
        2.2.6      IJ10134 **            2.2.6.32 key_w_apar


        Subscribe to the APARs here:

        http://www.ibm.com/support/docview.wss?uid=isg1IJ10554
        http://www.ibm.com/support/docview.wss?uid=isg1IJ10134
        http://www.ibm.com/support/docview.wss?uid=isg1IJ10275
        http://www.ibm.com/support/docview.wss?uid=isg1IJ10132
        http://www.ibm.com/support/docview.wss?uid=isg1IJ10553
        http://www.ibm.com/support/docview.wss?uid=isg1IJ10552
        http://www.ibm.com/support/docview.wss?uid=isg1IJ10130
        http://www.ibm.com/support/docview.wss?uid=isg1IJ09805

        https://www.ibm.com/support/docview.wss?uid=isg1IJ10554
        https://www.ibm.com/support/docview.wss?uid=isg1IJ10134
        https://www.ibm.com/support/docview.wss?uid=isg1IJ10275
        https://www.ibm.com/support/docview.wss?uid=isg1IJ10132
        https://www.ibm.com/support/docview.wss?uid=isg1IJ10553
        https://www.ibm.com/support/docview.wss?uid=isg1IJ10552
        https://www.ibm.com/support/docview.wss?uid=isg1IJ10130
        https://www.ibm.com/support/docview.wss?uid=isg1IJ09805

        By subscribing, you will receive periodic email alerting you
        to the status of the APAR, and a link to download the fix once
        it becomes available.

    B. FIXES

        AIX and VIOS fixes are available.

        After iFix installation, an LPAR system reboot is recommended.
        In lieu of a reboot, processes using RPC services may be stopped
        and restarted. Please refer to the rpcinfo command to view running
        RPC services. Programs/daemons running those RPC services must be
        restarted.

        The AIX and VIOS fixes can be downloaded via ftp or http from:

        ftp://aix.software.ibm.com/aix/efixes/security/solaris_fix.tar
        http://aix.software.ibm.com/aix/efixes/security/solaris_fix.tar
        https://aix.software.ibm.com/aix/efixes/security/solaris_fix.tar 

        The link above is to a tar file containing this signed
        advisory, fix packages, and OpenSSL signatures for each package.
        The fixes below include prerequisite checking. This will
        enforce the correct mapping between the fixes and AIX
        Technology Levels.

        AIX Level  Interim Fix (*.Z)         KEY
        ----------------------------------------------
        5.3.12.9   IJ10554s9a.181017.epkg.Z  key_w_fix
        6.1.9.10   IJ10134sAa.181009.epkg.Z  key_w_fix
        6.1.9.11   IJ10134sBa.181009.epkg.Z  key_w_fix
        6.1.9.11   IJ10134sBb.181009.epkg.Z  key_w_fix
        6.1.9.12   IJ10134sCa.181009.epkg.Z  key_w_fix
        7.1.4.4    IJ10275s4a.181009.epkg.Z  key_w_fix
        7.1.4.5    IJ10275s5a.181009.epkg.Z  key_w_fix
        7.1.4.6    IJ10275s6a.181009.epkg.Z  key_w_fix
        7.1.5.1    IJ10132s1a.181009.epkg.Z  key_w_fix
        7.1.5.2    IJ10132s2a.181009.epkg.Z  key_w_fix
        7.1.5.2    IJ10132s2b.181009.epkg.Z  key_w_fix
        7.1.5.3    IJ10132s3a.181009.epkg.Z  key_w_fix
        7.2.0.4    IJ10553s4a.181016.epkg.Z  key_w_fix
        7.2.0.5    IJ10553s5a.181016.epkg.Z  key_w_fix
        7.2.0.6    IJ10553s6a.181016.epkg.Z  key_w_fix
        7.2.1.2    IJ10552s2a.181016.epkg.Z  key_w_fix
        7.2.1.3    IJ10552s3a.181016.epkg.Z  key_w_fix
        7.2.1.4    IJ10552s4a.181016.epkg.Z  key_w_fix
        7.2.2.0    IJ10130s0a.181011.epkg.Z  key_w_fix
        7.2.2.1    IJ10130s0a.181011.epkg.Z  key_w_fix
        7.2.2.2    IJ10130s2a.181011.epkg.Z  key_w_fix
        7.2.2.2    IJ10130s2b.181011.epkg.Z  key_w_fix
        7.2.3.0    IJ09805s0a.181012.epkg.Z  key_w_fix
        7.2.3.1    IJ09805s0a.181012.epkg.Z  key_w_fix

        Please note that the above table refers to AIX TL/SP level as
        opposed to fileset level, i.e., 7.2.2.1 is AIX 7200-02-01.

        NOTE: Multiple iFixes are provided for AIX 6100-09-11,
        7100-05-02, and 7200-02-02.
        IJ10134sBa is for AIX 6100-09-11 with bos.net.tcp.client fileset level 6.1.9.315.
        IJ10134sBb is for AIX 6100-09-11 with bos.net.tcp.client fileset level 6.1.9.316.
        IJ10132s2a is for AIX 7100-05-02 with bos.net.tcp.client fileset level 7.1.5.15.
        IJ10132s2b is for AIX 7100-05-02 with bos.net.tcp.client fileset level 7.1.5.16.
        IJ10130s2a is for AIX 7200-02-02 with bos.net.tcp.client_core fileset level 7.2.2.15.
        IJ10130s2b is for AIX 7200-02-02 with bos.net.tcp.client_core fileset level 7.2.2.16.

        Please reference the Affected Products and Version section above
        for help with checking installed fileset levels.

        VIOS Level  Interim Fix (*.Z)         KEY
        -----------------------------------------------
        2.2.4.60    IJ10134sBa.181009.epkg.Z  key_w_fix
        2.2.5.40    IJ10134sBa.181009.epkg.Z  key_w_fix
        2.2.6.20    IJ10134sBa.181009.epkg.Z  key_w_fix
        2.2.6.21    IJ10134sBa.181009.epkg.Z  key_w_fix
        2.2.6.23    IJ10134sBb.181009.epkg.Z  key_w_fix
        2.2.6.30    IJ10134sCa.181009.epkg.Z  key_w_fix
        2.2.6.31    IJ10134sCa.181009.epkg.Z  key_w_fix

        To extract the fixes from the tar file:

        tar xvf solaris_fix.tar
        cd solaris_fix

        Verify you have retrieved the fixes intact:

        The checksums below were generated using the
        "openssl dgst -sha256 [filename]" command as the following:

        openssl dgst -sha256                                              filename                 KEY
        -----------------------------------------------------------------------------------------------------
        3361de83cc5cd752a4633f6363ef67c80d179740e65fb7e4ed69581daba2ba8e  IJ09805s0a.181012.epkg.Z key_w_csum
        561c4f14440c4bbc67cd9ddf71d16c04f75b2bdb8de5ef7a365f7c67ac180dba  IJ10130s0a.181011.epkg.Z key_w_csum
        3a8b2e9a4060212a3cf2d4b5d462605e2ac073a6434b623c19c7634b61a51e06  IJ10130s2a.181011.epkg.Z key_w_csum
        befbe84cd8bcdfd8a4c56a6e543721be85ea9bd66893f13996b4cefc75fa6f8e  IJ10130s2b.181011.epkg.Z key_w_csum
        47991453c69e353822dfc10035c3370d422853d491aeeb1062dc5c9e196a077f  IJ10132s1a.181009.epkg.Z key_w_csum
        354c03e24a648acfe7fb8516fa043b1fcfe1b2739188eb85b3973673e50a0d39  IJ10132s2a.181009.epkg.Z key_w_csum
        a72972107ceb3e6fa1408d7c3e3277b2926d9f6c62cb2100de2b8fe6678aa738  IJ10132s2b.181009.epkg.Z key_w_csum
        8517c019727df9fb65ad59d0f51bdc9c550e4f3c1b2cd0f9ffe9f8eee46a514a  IJ10132s3a.181009.epkg.Z key_w_csum
        dea142ac623e9a54fe36ba4d5ffe1e3a472c1071603864c2b8a15a938e2f8e8f  IJ10134sAa.181009.epkg.Z key_w_csum
        a7bc11276427338eaa3eb399c7c8b44189911f7dff17f86e82c754cb79574934  IJ10134sBa.181009.epkg.Z key_w_csum
        f3a0758fdf91d710dac3c8ebc899ec41d2321ac5ffba8bbf3f8671c9874771da  IJ10134sBb.181009.epkg.Z key_w_csum
        168868a77bddb52b210b1c8b0122cbad0f42b31a3917f79b5f9eb227825cf004  IJ10134sCa.181009.epkg.Z key_w_csum
        7ccc5910e339cc5266419dbba50342b25577a9bb97982cc6d04e841226b37bad  IJ10275s4a.181009.epkg.Z key_w_csum
        f11f3f359f6b685463fbbbc83ae698157ab76b825567f125bb007e079bd83867  IJ10275s5a.181009.epkg.Z key_w_csum
        7f27c0f0f6cc3d6674a5618d690dbb30013da5e172305a9d01440437abaf74c7  IJ10275s6a.181009.epkg.Z key_w_csum
        7ff683e5284d686ea8f52fb5d895ba0b3303de6a33552e5855d2ea8a284ef6fa  IJ10552s2a.181016.epkg.Z key_w_csum
        9747cef73298ba097e9256fb00cc3babac83f4d2628888798a0cfa140cc354fa  IJ10552s3a.181016.epkg.Z key_w_csum
        8fa9f4c5ab555ab3a348a8effa1938b53857a1c334e53ab359f43e8fff85429b  IJ10552s4a.181016.epkg.Z key_w_csum
        ba67396c66996de2a52610bdf7bb44ad28cd4eb97345c62d6e11787e56cbab7e  IJ10553s4a.181016.epkg.Z key_w_csum
        e9b817c683b27e09233086fff50f6d7bec635d9617975dfb20b5d4ee65feed58  IJ10553s5a.181016.epkg.Z key_w_csum
        6bb35b3a311479b8f72813d90ca441b11af929268e42aec9d52906f618d2b76d  IJ10553s6a.181016.epkg.Z key_w_csum
        40d3f722f63b2f315f81f530b48869714a86a7c25653d339c7fc6aba59235e5e  IJ10554s9a.181017.epkg.Z key_w_csum

        These sums should match exactly. The OpenSSL signatures in the tar
        file and on this advisory can also be used to verify the
        integrity of the fixes.  If the sums or signatures cannot be
        confirmed, contact IBM Support at
        http://ibm.com/support/ and describe the discrepancy.         

        openssl dgst -sha1 -verify [pubkey_file] -signature [advisory_file].sig [advisory_file]

        openssl dgst -sha1 -verify [pubkey_file] -signature [ifix_file].sig [ifix_file]

        Published advisory OpenSSL signature file location:

        http://aix.software.ibm.com/aix/efixes/security/solaris_advisory.asc.sig
        https://aix.software.ibm.com/aix/efixes/security/solaris_advisory.asc.sig
        ftp://aix.software.ibm.com/aix/efixes/security/solaris_advisory.asc.sig 

    C. FIX AND INTERIM FIX INSTALLATION

        If possible, it is recommended that a mksysb backup of the system 
        be created. Verify it is both bootable and readable before
        proceeding.

        To preview a fix installation:

        installp -a -d fix_name -p all  # where fix_name is the name of the
                                        # fix package being previewed.
        To install a fix package:

        installp -a -d fix_name -X all  # where fix_name is the name of the
                                        # fix package being installed.

        Interim fixes have had limited functional and regression
        testing but not the full regression testing that takes place
        for Service Packs; however, IBM does fully support them.

        Interim fix management documentation can be found at:

        http://www14.software.ibm.com/webapp/set2/sas/f/aix.efixmgmt/home.html

        To preview an interim fix installation:

        emgr -e ipkg_name -p         # where ipkg_name is the name of the
                                     # interim fix package being previewed.

        To install an interim fix package:

        emgr -e ipkg_name -X         # where ipkg_name is the name of the
                                     # interim fix package being installed.

WORKAROUNDS AND MITIGATIONS:

    A fix is not required if RPC services are not running. You
    can check for running RPC services with the "rpcinfo -p" command.

    If there are RPC services running that are not required to run,
    you can do the following to stop RPC services:

    1. Comment out the rc.nfs line in /etc/inittab (To comment in 
    this file, use colon space at the beginning of the line,  ": ")

        $ vim /etc/inittab  

        ...
        : rcnfs:23456789:wait:/etc/rc.nfs > /dev/console 2>&1 # Start NFS Daemons
        ...

    2. Comment out the lines that start portmap in /etc/rc.tcpip

        $ vim /etc/rc.tcpip

        ...
        # portmap_pid=`ps -e | awk '$NF == "portmap" {print $1}'`
        # [ -z "$portmap_pid" ] && start /usr/sbin/portmap "${src_running}"
        ...

    3. Reboot

===============================================================================

CONTACT US:

Note: Keywords labeled as KEY in this document are used for parsing
purposes.

If you would like to receive AIX Security Advisories via email,
please visit "My Notifications":

    http://www.ibm.com/support/mynotifications

To view previously issued advisories, please visit:

    http://www14.software.ibm.com/webapp/set2/subscriptions/onvdq

Contact IBM Support for questions related to this announcement:

    http://ibm.com/support/
    https://ibm.com/support/

To obtain the OpenSSL public key that can be used to verify the
signed advisories and ifixes:

    Download the key from our web page:

ftp://ftp.software.ibm.com/systems/power/AIX/systems_p_os_aix_security_pubkey.txt

Please contact your local IBM AIX support center for any
assistance.

REFERENCES:

Complete CVSS v3 Guide:  http://www.first.org/cvss/user-guide
On-line Calculator v3:
    http://www.first.org/cvss/calculator/3.0

RELATED INFORMATION:

IBM Secure Engineering Web Portal
    http://www.ibm.com/security/secure-engineering/bulletins.html

IBM Product Security Incident Response Blog
    https://www.ibm.com/blogs/psirt/

Security Bulletin: Vulnerability in Oracle Solaris affects 
AIX (CVE-2017-3623)
    https://www-01.ibm.com/support/docview.wss?uid=ibm10742315

ACKNOWLEDGEMENTS:

The vulnerability was reported to IBM by Harrison Neal (hantwister).

CHANGE HISTORY:

First Issued: Tue Dec 11 09:25:56 CST 2018

===============================================================================

*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
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an “industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response.” IBM PROVIDES THE CVSS SCORES “AS IS” WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

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10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.912 High

EPSS

Percentile

98.8%

JSON
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