Vulnerability Monitor

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CVE-2009-1786

The malloc subsystem in libc in IBM AIX 5.3 and 6.1 allows local users to create or overwrite arbitrary files via a symlink attack on the log file associated with the MALLOCDEBUG environment variable.

Published

2009-05-26T15:30:05.390

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.9 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

10.0

Weaknesses

Type: Primary
CWE-362

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	ibm	aix	5.3	Yes
Operating System	ibm	aix	6.1	Yes

References

http://aix.software.ibm.com/aix/efixes/security/libc_advisory.asc Patch, Vendor Advisory ([email protected])
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=802 ([email protected])
http://secunia.com/advisories/35146 Vendor Advisory ([email protected])
http://securitytracker.com/id?1022261 Patch ([email protected])
http://www.ibm.com/support/docview.wss?uid=isg1IZ50121 ([email protected])
http://www.ibm.com/support/docview.wss?uid=isg1IZ50129 ([email protected])
http://www.ibm.com/support/docview.wss?uid=isg1IZ50139 ([email protected])
http://www.ibm.com/support/docview.wss?uid=isg1IZ50445 ([email protected])
http://www.ibm.com/support/docview.wss?uid=isg1IZ50447 ([email protected])
http://www.ibm.com/support/docview.wss?uid=isg1IZ50500 ([email protected])
http://www.ibm.com/support/docview.wss?uid=isg1IZ50517 ([email protected])
http://www.osvdb.org/54617 ([email protected])
http://www.securityfocus.com/bid/35034 ([email protected])
http://www.vupen.com/english/advisories/2009/1380 Vendor Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/50636 ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6276 ([email protected])
https://www.exploit-db.com/exploits/9306 ([email protected])
http://aix.software.ibm.com/aix/efixes/security/libc_advisory.asc Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=802 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/35146 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1022261 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.ibm.com/support/docview.wss?uid=isg1IZ50121 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ibm.com/support/docview.wss?uid=isg1IZ50129 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ibm.com/support/docview.wss?uid=isg1IZ50139 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ibm.com/support/docview.wss?uid=isg1IZ50445 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ibm.com/support/docview.wss?uid=isg1IZ50447 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ibm.com/support/docview.wss?uid=isg1IZ50500 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ibm.com/support/docview.wss?uid=isg1IZ50517 (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/54617 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/35034 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2009/1380 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/50636 (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6276 (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/9306 (af854a3a-2127-422b-91ae-364da2661108)