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
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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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Document Information
Modified date:
17 June 2018
UID
swg21672253