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Security Bulletin: IBM Notes Privilege Escalation in IBM Notes System Diagnostics service (CVE-2017-1720, CVE-2018-1409, CVE-2018-1410, CVE-2018-1411)

Security Bulletin


Summary

IBM Notes on Windows only contains multiple privilege escalation vulnerabilities. By crafting a command line sent via the shared memory IPC, the Notes System Diagnostic (NSD) service can be tricked into executing an executable chosen by the attacker. IBM addresses this vulnerability in the fix below.

Vulnerability Details

CVEID: CVE-2017-1720
DESCRIPTION:
IBM Notes could allow a local attacker to execute arbitrary commands by carefully crafting a command line sent via the shared memory IPC.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/134807 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:L/A:L)
CVEID: CVE-2018-1409
DESCRIPTION:
IBM Notes Diagnostics could allow a local user to execute commands on the system. By crafting a command line sent via the shared memory IPC, which could be tricked into executing an executable chosen by the attacker.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/138708 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2018-1410
DESCRIPTION:
IBM Notes Diagnostics could allow a local user to execute commands on the system. By crafting a command line sent via the shared memory IPC, which could be tricked into executing an executable chosen by the attacker.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/138709 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2018-1411
DESCRIPTION:
IBM Notes Diagnostics could allow a local user to execute commands on the system. By crafting a command line sent via the shared memory IPC, which could be tricked into executing an executable chosen by the attacker.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/138710 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

IBM Notes 9.0.1 to 9.0.1 FP10
IBM Notes 9.0 to 9.0 IF4
IBM Notes 8.5.3 to 8.5.3 FP6 IF15
IBM Notes 8.5.2 to 8.5.2 FP4 IF3
IBM Notes 8.5.1. to 8.5.1 FP5 IF3
IBM Notes 8.5 release

Remediation/Fixes

Customers who remain on the following releases may open a Service Request with IBM Support referencing SPR# PPUEASUDSF (CVE-2017-1720), #PPUEAU2J98 (CVE-2018-1409), #PPUEAUUKFS (CVE-2018-1410), #PPUEAUUKP2 (CVE-2018-1411).


IBM Notes 9.0.1 to 9.0.1 FP10.
IBM Notes 9.0 to 9.0 IF4.
IBM Notes 8.5.3 to 8.5.3 FP6 IF15.
IBM Notes 8.5.2 to 8.5.2 FP4 IF3.
IBM Notes 8.5.1. to 8.5.1 FP5 IF3.
IBM Notes 8.5 release

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Complete CVSS v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

These vulnerabilities were reported to IBM by Lasse Trolle Borup of Improsec ApS

Change History

19 Nov 2017: initial Publication
08 Feb 2018: First customer publication
18 Feb 2018: Added 3 new CVE IDs

*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.

Document information

More support for: IBM Notes
Security

Software version: 8.5.1.5, 8.5.2.4, 8.5.3.6, 9.0, 9.0.1.9

Operating system(s): Windows

Reference #: 2010767

Modified date: 16 February 2018


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