Security Bulletin: Multiple Db2 vulnerabilities affect the IBM Spectrum Protect Server (CVE-2018-1685, CVE-2018-1710, CVE-2018-1711, CVE-2018-1780, CVE-2018-1781, CVE-2018-1799, CVE-2018-1802, CVE-2018-1834, CVE-2018-1857, CVE-2018-1897)

Summary

The IBM Spectrum Protect (formerly Tivoli Storage Manager) Server is affected by multiple IBM Db2 vulnerabilities. These Db2 vulnerabilities could allow a local user to gain elevated privileges, read any file on the system, or execute arbitrary code on the system.
UPDATED 6/28/2019: Added 7.1 fix

Vulnerability Details

CVEID: CVE-2018-1685 DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) contains a vulnerability in db2cacpy that could allow a local user to read any file on the system.
CVSS Base Score: 6.2
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/145502&gt; 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:N/A:N)

CVEID: CVE-2018-1710 DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) tool db2licm is affected by buffer overflow vulnerability that can potentially result in arbitrary code execution.
CVSS Base Score: 8.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/146364&gt; 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-2018-1711 DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local user to to gain privileges due to allowing modification of columns of existing tasks.
CVSS Base Score: 8.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/146369&gt; 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-2018-1780 DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local db2 instance owner to obtain root access by exploiting a symbolic link attack to read/write/corrupt a file that they originally did not have permission to access.
CVSS Base Score: 7.8
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/148803&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2018-1781 DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local user to obtain root access by exploiting a symbolic link attack to read/write/corrupt a file that they originally did not have permission to access.
CVSS Base Score: 8.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/148804&gt; 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-2018-1799 DESCRIPTION: IBM DB2 could allow a local unprivileged user to overwrite files on the system which could cause damage to the database.
CVSS Base Score: 6.2
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/149429&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

CVEID: CVE-2018-1802 DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) binaries load shared libraries from an untrusted path potentially giving low privilege user full access to the DB2 instance account by loading a malicious shared library.
CVSS Base Score: 8.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/149640&gt; 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-2018-1834 DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) contains a vulnerability that could allow a local user to escalate their privileges to root through a symbolic link attack.
CVSS Base Score: 7.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/150511&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2018-1857 DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a user to bypass FGAC control and gain access to data they shouldn’'t be able to see.
CVSS Base Score: 4.8
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/151155&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N)

CVEID: CVE-2018-1897 DESCRIPTION: IBM DB2 db2pdcfg is vulnerable to a stack based buffer overflow, caused by improper bounds checking which could allow an attacker to execute arbitrary code
CVSS Base Score: 8.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/152462&gt;

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

These vulnerabilities affect the IBM Spectrum Protect (formerly Tivoli Storage Manger) Server levels:

• 8.1.0.0 through 8.1.6.100
• 7.1.0.0 through 7.1.9.200

Remediation/Fixes

IBM Spectrum Protect
Server Release |

First Fixing

VRM Level

| Platform | Link to Fix
—|—|—|—
8.1 | 8.1.7 | AIX
Linux
Windows | <ftp://public.dhe.ibm.com/storage/tivoli-storage-management/maintenance/server/v8r1/&gt;

7.1

|

7.1.9.300

|

AIX
HP-UX

Linux
Solaris
Windows

|

<ftp://public.dhe.ibm.com/storage/tivoli-storage-management/patches/server/&gt;

Workarounds and Mitigations

None.