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    CVE-2009-2669

    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:Aug 5, 2009
    Last Modified:Apr 23, 2026
    EPS:Aug 5, 2009
    EPSS Score:0.00077
    CVSS Score:7.2

    Affected Products

    Vendor
    Ibm
    Product
    Aix

    Exploits

    https://www.exploit-db.com/exploits/9645

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-19449 (CVSS 8.8) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 has a vulnerability in cmdnim that may allow an unprivileged loc…
    CVE-2026-19448 (CVSS 6.5) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec …
    CVE-2026-19446 (CVSS 7.5) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 allows a remote unauthenticated attacker can send a crafted UDP …
    CVE-2026-19442 (CVSS 8.2) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 has a pointer validation flaw exists in the AIX Virtual SCSI (vS…
    CVE-2026-19437 (CVSS 8.1) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a…
    CVE-2026-18835 (CVSS 9.9) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote authenticated attacker to execute arbitrary…
    CVE-2026-18840 (CVSS 8.2) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to execute arbitrary code due to im…
    CVE-2026-18842 (CVSS 8.4) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to gain elevated privileges due to …

    References

    http://aix.software.ibm.com/aix/efixes/security/libC_advisory.asc
    http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=815
    http://secunia.com/advisories/36156
    http://www.ibm.com/support/docview.wss?uid=isg1IZ54090
    http://www.ibm.com/support/docview.wss?uid=isg1IZ54091
    http://www.ibm.com/support/docview.wss?uid=isg1IZ54593
    http://www.ibm.com/support/docview.wss?uid=isg1IZ56203
    http://www.ibm.com/support/docview.wss?uid=isg1IZ56204
    http://www.ibm.com/support/docview.wss?uid=isg1IZ56205
    http://www.ibm.com/support/docview.wss?uid=isg1IZ56206
    http://www.securityfocus.com/bid/35934
    http://www.vupen.com/english/advisories/2009/2151
    http://aix.software.ibm.com/aix/efixes/security/libC_advisory.asc
    http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=815
    http://secunia.com/advisories/36156
    http://www.ibm.com/support/docview.wss?uid=isg1IZ54090
    http://www.ibm.com/support/docview.wss?uid=isg1IZ54091
    http://www.ibm.com/support/docview.wss?uid=isg1IZ54593
    http://www.ibm.com/support/docview.wss?uid=isg1IZ56203
    http://www.ibm.com/support/docview.wss?uid=isg1IZ56204
    http://www.ibm.com/support/docview.wss?uid=isg1IZ56205
    http://www.ibm.com/support/docview.wss?uid=isg1IZ56206
    http://www.securityfocus.com/bid/35934
    http://www.vupen.com/english/advisories/2009/2151

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High