ESB-2019.1099 - [Linux][HP-UX][Solaris][AIX] IBM Sterling Connect: Increased privileges - Existing account 2019-04-02

Printable version
PGP/GPG verifiable version

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1099
    IBM Sterling Connect:Direct for UNIX Allows a User with Sudo Access
         Restricted to Certain Connect:Direct Executable Files to
           Expand Access Beyond the Restriction (CVE-2018-1903)
                               2 April 2019

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

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

Product:           IBM Sterling Connect
Publisher:         IBM
Operating System:  AIX
                   Solaris
                   Linux variants
                   HP-UX
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1903  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10875386

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: IBM Sterling Connect:Direct for UNIX Allows a User with
Sudo Access Restricted to Certain Connect:Direct Executable Files to Expand
Access Beyond the Restriction (CVE-2018-1903)

Document information

More support for: Sterling Connect:Direct for UNIX

Component: --

Software version: 4.2.0, 4.3.0, 6.0.0

Operating system(s): AIX, HP-UX, Linux, Solaris

Reference #: 0875386

Modified date: 01 April 2019

Summary

UNIX system administrators may grant access to run certain executable files
with expanded privilege via the sudo utility. Connect:Direct for UNIX has a
vulnerability that could allow a user to escape this sudo executable file
restriction and perform unauthorized commands with expanded privilege.

Vulnerability Details

CVEID: CVE-2018-1903
DESCRIPTION: IBM Sterling Connect:Direct for UNIX could allow a user with
restricted sudo access on a system to manipulate CD UNIX to gain full sudo
access.
CVSS Base Score: 6.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
152532 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
 

Affected Products and Versions

IBM Sterling Connect:Direct for Unix 6.0.0
IBM Sterling Connect:Direct for Unix 4.3.0
IBM Sterling Connect:Direct for Unix 4.2.0

Remediation/Fixes

+----------+---------+-------------------------------------------------------+
|V.R.M.F   |APAR     |Remediation/First Fix                                  |
+----------+---------+-------------------------------------------------------+
|6.0.0     |IT26865  |Apply 6.0.0.0.iFix017, available in cumulative iFix018 |
|          |         |on Fix Central                                         |
+----------+---------+-------------------------------------------------------+
|4.3.0     |IT26865  |Apply 4.3.0.0.iFix027, available in cumulative iFix029 |
|          |         |on Fix Central                                         |
+----------+---------+-------------------------------------------------------+
|4.2.0     |IT26865  |Apply 4.2.0.4.iFix097, available in cumulative iFix098 |
|          |         |on Fix Central                                         |
+----------+---------+-------------------------------------------------------+

For IBM Sterling Connect:Direct for Unix versions 4.1.0 and older, IBM
recommends upgrading to a fixed, supported version of the product.

Workarounds and Mitigations

None


Change History

29 March 2019: 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

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.

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=H4Q3
-----END PGP SIGNATURE-----

« Back to bulletins