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IBM DB2 Multiple Vulnerabilities

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Release Date:  2007-02-19    Last Update:  2007-08-16    Views:  13,917

Secunia Advisory SA24213

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been reported in IBM DB2, which can be exploited by malicious, local users to gain escalated privileges.

1) Some vulnerabilities are caused due to several DB2 binaries accessing files insecurely and having the setuid bit set. This can be exploited to create or append data to arbitrary files via symlink attacks.

2) A vulnerability is caused due to several DB2 binaries accessing files insecurely and having the setuid bit set. This can be exploited to create or append data to arbitrary files via symlink attacks and supplying the DB2INSTANCE environment variable.

Successful exploitation of (1) and (2) allows gaining root privileges.

NOTE: Windows systems are not affected.

3) A boundary error when copying data from an environment variable can be exploited to cause a heap-based buffer overflow.

4) An unspecified boundary error exists, which can be exploited to cause a stack-based buffer overflow via an overly long environment variable.

Successful exploitation of (4) allows execution of arbitrary code.

The vulnerabilities are reported in DB2 Universal Database 9.1 and 8.


Solution:
DB2 Universal Database 9.1:

Further details available to Secunia VIM customers

Provided and/or discovered by:
1,3,4) Joshua J. Drake, iDefense Labs
2) An anonymous person, reported via iDefense Labs

Original Advisory:
iDefense:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=480
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=481

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: IBM DB2 Multiple Vulnerabilities

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