{"id":"CVE-2009-2669","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-2669","generatedAt":"2026-10-27T18:44:33.936Z","title":"A certain debugging component in IBM AIX 5.3 and 6.1 does not properly handle the (1) _LIB_INIT_DBG and (2) _LIB_INIT_DBG_FILE environment variables, which allows local users to gain privileges by leveraging a setuid-root program to create an arbitrary…","description":"A certain debugging component in IBM AIX 5.3 and 6.1 does not properly handle the (1) _LIB_INIT_DBG and (2) _LIB_INIT_DBG_FILE environment variables, which allows local users to gain privileges by leveraging a setuid-root program to create an arbitrary root-owned file with world-writable permissions, related to libC.a (aka the XL C++ runtime library) in AIX 5.3 and libc.a in AIX 6.1.","published":"2009-08-05T19:30:01.000Z","lastModified":"2026-06-16T23:09:58.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.2,"severity":"HIGH","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C"},"cwe":["CWE-264"],"affected":["ibm/aix"],"epss":{"score":0.00715,"percentile":0.53476,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2009-09-11","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":9645,"kind":"exploit","title":"IBM AIX 5.6/6.1 - '_LIB_INIT_DBG' Arbitrary File Overwrite via Libc Debug","url":"https://www.exploit-db.com/exploits/9645","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/aix/local/9645.sh","file":"exploits/aix/local/9645.sh","published":"2009-09-11","added":"2009-09-10","updated":"2016-11-14","author":"Marco Ivaldi","type":"local","platform":"aix","port":null,"verified":true,"codes":["CVE-2009-2669"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 0.7%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://aix.software.ibm.com/aix/efixes/security/libC_advisory.asc","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=815","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/36156","source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ54090","source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ54091","source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ54593","source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ56203","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ56204","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ56205","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ56206","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/35934","tags":["Patch"],"source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2009/2151","source":"cve@mitre.org"},{"url":"http://aix.software.ibm.com/aix/efixes/security/libC_advisory.asc","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=815","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/36156","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ54090","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ54091","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ54593","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ56203","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ56204","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ56205","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ibm.com/support/docview.wss?uid=isg1IZ56206","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/35934","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2009/2151","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-2669","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}