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AUSCERT External Security Bulletin Redistribution
ESB-2017.2283
Security Bulletin: IBM Db2 is vulnerable to an unauthorized command that
allows the database to be activated when authentication type
is CLIENT (CVE-2017-1520)
11 September 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Db2
Publisher: IBM
Operating System: AIX
HP-UX
Linux variants
Solaris
Windows
Impact/Access: Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-1520
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg22007186
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Security Bulletin: IBM Db2 is vulnerable to an unauthorized command that
allows the database to be activated when authentication type is CLIENT
(CVE-2017-1520)
Security Bulletin
Document information
More support for: DB2 for Linux, UNIX and Windows
Software version: 9.7, 10.1, 10.5, 11.1
Operating system(s): AIX, HP-UX, Linux, Solaris, Windows
Software edition: Advanced Enterprise Server, Advanced Workgroup Server,
Enterprise Server, Express, Express-C, Personal, Workgroup Server
Reference #: 2007186
Modified date: 08 September 2017
Summary
For a CLIENT authentication type, a user without proper authority can activate
database. The database becomes activated, but requires authentication to
proceed further. This does not allow unauthorized access to the database. This
issue applies to the application side.
Vulnerability Details
CVEID: CVE-2017-1520
DESCRIPTION: IBM Db2 is vulnerable to an unauthorized command that allows the
database to be activated when authentication type is CLIENT.
CVSS Base Score: 3.7
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/129830 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:L/A:N)
Affected Products and Versions
All fix pack levels of IBM Db2 V9.7, V10.1, V10.5, and V11.1 editions on all
platforms are affected.
Remediation/Fixes
The recommended solution is to apply the appropriate fix for this
vulnerability.
FIX:
Customers running any vulnerable fixpack level of an affected Program, V9.7,
V10.1, V10.5, and V11.1, can download the special build containing the interim
fix for this issue from Fix Central. These special builds are available based
on the most recent fixpack level for each impacted release: DB2 V9.7 FP11,
V10.1 FP6, V10.5 FP8 and V11.1.2.2 FP2. They can be applied to any affected
fixpack level of the appropriate release to remediate this vulnerability.
Release Fixed in fix pack APAR Download URL
V9.7 TBD IT21974 Special Build for V9.7 FP11:
AIX 64-bit
HP-UX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER big endian
Linux 64-bit, System z, System z9 or zSeries
Solaris 64-bit, SPARC
Solaris 64-bit, x86-64
Windows 32-bit, x86
Windows 64-bit, x86
V10.1 TBD IT21973 Special Build for V10.1 FP6:
AIX 64-bit
HP-UX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER big endian
Linux 64-bit, System z, System z9 or zSeries
Solaris 64-bit, SPARC
Solaris 64-bit, x86-64
Windows 32-bit, x86
Windows 64-bit, x86
V10.5 TBD IT21462 Special Build for V10.5 FP8:
AIX 64-bit
HP-UX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER big endian
Linux 64-bit, POWER little endian
Linux 64-bit, System z, System z9 or zSeries
Solaris 64-bit, SPARC
Solaris 64-bit, x86-64
Windows 32-bit, x86
Windows 64-bit, x86
Inspur
V11.1.2.2 TBD IT21459 Special Build for V11.1.2.2 FP2:
AIX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER little endian
Linux 64-bit, System z, System z9 or zSeries
Windows 32-bit, x86
Windows 64-bit, x86
Workarounds and Mitigations
Do not use CLIENT authentication type.
References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
September 7, 2017: Original version published.
September 8, 2017: Added link to nt32 version.
*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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