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&gt;
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