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Security Bulletin: TADDM – Security improvement: More restricted permission on TADDM files on UNIX-like servers.

Security Bulletin


Summary

TADDM security improvement deployed started from TADDM 7.2.1.5 and in TADDM 7.2.2 that restrict access to TADDM files on UNIX-like servers.

Vulnerability Details

CVE-2013-4040
Description
Default TADDM file permission on UNIX-like servers, by default are 755 (rwx r-x r-x), that allow all machines users have access to TADDM configuration files and logs (that can contain sensitive information)

CVSS Base Score: 2.1
CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/vulnerabilities/86176
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N)

Affected Products and Versions

TADDM 7.1.2, and 7.2.0.0 through 7.2.1.4 (fix included in TADDM 7.2.1.5 and TADDM 7.2.2.0)

Remediation/Fixes

Upgrade to TADDM 7.2.1.5 or TADDM 7.2.2.0
If you are unable to upgrade apply workaround, or please contact IBM Support.

Workarounds and Mitigations

1. Stop TADDM
2. On TADDM server login to taddmuser (user defined during TADDM installation), and change recursively files/directories privileges:
# chmod -R o-rwx $COLLATION_HOME/..
3. Add to ~/.profile line: umask 027 , to ensure that log file create also will have the same privileges.
# cat ~/.profile
umask 027
4. After relogin to taddmuser check if umask is changed to new value:
# umask
0027
5. Restart TADDM

Get Notified about Future Security Bulletins

References

Complete CVSS v2 Guide
On-line Calculator v2

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

7 May 2014: Original Copy 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.

Document information

More support for: Tivoli Application Dependency Discovery Manager

Software version: 7.1.2, 7.2, 7.2.1

Operating system(s): AIX, Linux, Solaris

Reference #: 1672253

Modified date: 12 May 2014