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    CVE-2007-0918

    The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote attackers to cause a denial of service (IPS crash and traffic loss) via unspecified manipulations that are not properly handled by the regular expression feature, as demonstrated using the 3123.0 (Netbus Pro Traffic) signature.

    Published:Feb 14, 2007
    Last Modified:Apr 23, 2026
    EPS:Feb 14, 2007
    EPSS Score:0.02856
    CVSS Score:7.1

    Affected Products

    Vendor
    Cisco
    Product
    Ios

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://osvdb.org/33053
    http://secunia.com/advisories/24142
    http://www.cisco.com/en/US/products/products_security_advisory09186a00807e0a5b.shtml
    http://www.cisco.com/en/US/products/products_security_response09186a00807e0a5e.html
    http://www.securityfocus.com/bid/22549
    http://www.securitytracker.com/id?1017631
    http://www.vupen.com/english/advisories/2007/0597
    https://exchange.xforce.ibmcloud.com/vulnerabilities/32474
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5832
    http://osvdb.org/33053
    http://secunia.com/advisories/24142
    http://www.cisco.com/en/US/products/products_security_advisory09186a00807e0a5b.shtml
    http://www.cisco.com/en/US/products/products_security_response09186a00807e0a5e.html
    http://www.securityfocus.com/bid/22549
    http://www.securitytracker.com/id?1017631
    http://www.vupen.com/english/advisories/2007/0597
    https://exchange.xforce.ibmcloud.com/vulnerabilities/32474
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5832

    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