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IBM DB2 Multiple Vulnerabilities
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Secunia Advisory:
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SA24213
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Release Date:
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2007-02-19
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Last Update:
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2007-08-16
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Popularity:
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9,277 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| Software: | DB2 Universal Database 8.x
IBM DB2 9.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| | CVE reference: | CVE-2007-1027
CVE-2007-1086
CVE-2007-1087
CVE-2007-1088
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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:
Update to version 9 Fix Pack 2.
DB2 Universal Database 8:
Update to version 8.1 FixPak 15.
Provided and/or discovered by:
1,3,4) Joshua J. Drake, iDefense Labs
2) An anonymous person, reported via iDefense Labs
Changelog:
2007-02-22: Added CVE reference.
2007-02-23: Updated "Description" section. Added information from iDefense. Added links to original advisories. Added information about version 8. Updated "Solution" section.
2007-03-02: Added CVE reference.
2007-04-13: Updated "Solution" section, changing fix date for version 8 from "April 2007" to "mid 2007" based on updates by IBM. Added additional link to IBM advisory.
2007-08-16: Updated "Solution" section for version 8.
Original Advisory:
iDefense:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=480
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=481
Other References:
IBM:
http://www-1.ibm.com/support/docview.wss?uid=swg21255745
http://www-1.ibm.com/support/docview.wss?uid=swg21255747
http://www-1.ibm.com/support/docview.wss?uid=swg1IY94817
http://www-1.ibm.com/support/docview.wss?uid=swg1IY94833
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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