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    CVE-2009-3699

    Stack-based buffer overflow in libcsa.a (aka the calendar daemon library) in IBM AIX 5.x through 5.3.10 and 6.x through 6.1.3, and VIOS 2.1 and earlier, allows remote attackers to execute arbitrary code via a long XDR string in the first argument to procedure 21 of rpc.cmsd.

    Published:Oct 15, 2009
    Last Modified:Apr 23, 2026
    EPS:Oct 15, 2009
    EPSS Score:0.78892
    CVSS Score:10

    Affected Products

    Vendor
    Ibm
    Product
    Aix
    Vendor
    Ibm
    Product
    Vios

    Exploits

    http://www.securityfocus.com/bid/36615http://www.securityfocus.com/bid/36615https://www.exploit-db.com/exploits/16929

    Related CVEs

    CVE-2026-16821 (CVSS 7) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to gain elevated privileges due to …
    CVE-2026-19783 (CVSS 6.7) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause kernel memory corruption d…
    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/cmsd_advisory.asc
    http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=825
    http://secunia.com/advisories/36978
    http://securitytracker.com/id?1022996
    http://www.ibm.com/support/docview.wss?uid=isg1IZ61628
    http://www.ibm.com/support/docview.wss?uid=isg1IZ61717
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62123
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62237
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62569
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62570
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62571
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62572
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62672
    http://www.osvdb.org/58726
    http://www.securityfocus.com/bid/36615
    http://www.vupen.com/english/advisories/2009/2846
    https://exchange.xforce.ibmcloud.com/vulnerabilities/53681
    https://www.immunityinc.com/downloads/immpartners/aixcmsd10092009.tar.gz
    http://aix.software.ibm.com/aix/efixes/security/cmsd_advisory.asc
    http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=825
    http://secunia.com/advisories/36978
    http://securitytracker.com/id?1022996
    http://www.ibm.com/support/docview.wss?uid=isg1IZ61628
    http://www.ibm.com/support/docview.wss?uid=isg1IZ61717
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62123
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62237
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62569
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62570
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62571
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62572
    http://www.ibm.com/support/docview.wss?uid=isg1IZ62672
    http://www.osvdb.org/58726
    http://www.securityfocus.com/bid/36615
    http://www.vupen.com/english/advisories/2009/2846
    https://exchange.xforce.ibmcloud.com/vulnerabilities/53681
    https://www.immunityinc.com/downloads/immpartners/aixcmsd10092009.tar.gz

    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