FKIE_CVE-2007-0917

Vulnerability from fkie_nvd - Published: 2007-02-14 02:28 - Updated: 2026-06-16 22:36
Severity
Summary
The Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XE to 12.3T allows remote attackers to bypass IPS signatures that use regular expressions via fragmented packets.
References
cve@mitre.orghttp://osvdb.org/33052
cve@mitre.orghttp://secunia.com/advisories/24142
cve@mitre.orghttp://www.cisco.com/en/US/products/products_security_advisory09186a00807e0a5b.shtml
cve@mitre.orghttp://www.cisco.com/en/US/products/products_security_response09186a00807e0a5e.html
cve@mitre.orghttp://www.securityfocus.com/bid/22549
cve@mitre.orghttp://www.securitytracker.com/id?1017631
cve@mitre.orghttp://www.vupen.com/english/advisories/2007/0597
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/32473
cve@mitre.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5858
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/33052
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/24142
af854a3a-2127-422b-91ae-364da2661108http://www.cisco.com/en/US/products/products_security_advisory09186a00807e0a5b.shtml
af854a3a-2127-422b-91ae-364da2661108http://www.cisco.com/en/US/products/products_security_response09186a00807e0a5e.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/22549
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1017631
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2007/0597
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/32473
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5858
Impacted products
Vendor Product Version
cisco ios 12.3t
cisco ios 12.3xq
cisco ios 12.3xr
cisco ios 12.3xs
cisco ios 12.3xw
cisco ios 12.3xx
cisco ios 12.3xy
cisco ios 12.3ya
cisco ios 12.3yd
cisco ios 12.3yg
cisco ios 12.3yh
cisco ios 12.3yi
cisco ios 12.3yj
cisco ios 12.3yk
cisco ios 12.3ym
cisco ios 12.3yq
cisco ios 12.3ys
cisco ios 12.3yt
cisco ios 12.3yx
cisco ios 12.3yz
cisco ios 12.4
cisco ios 12.4mr
cisco ios 12.4t
cisco ios 12.4xa
cisco ios 12.4xb
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
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          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
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            {
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            },
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          ],
          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XE to 12.3T allows remote attackers to bypass IPS signatures that use regular expressions via fragmented packets."
    },
    {
      "lang": "es",
      "value": "El Sistema de Prevenci\u00f3n de Intrusi\u00f3n (IPS) para Cisco IOS 12.4XE hasta 12.3T permite a atacantes remotos evitar firmas IPS que utilizan expresiones regulares mediante paquetes fragmentados."
    }
  ],
  "id": "CVE-2007-0917",
  "lastModified": "2026-06-16T22:36:33.687",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 6.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2007-02-14T02:28:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://osvdb.org/33052"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/24142"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a00807e0a5b.shtml"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.cisco.com/en/US/products/products_security_response09186a00807e0a5e.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/22549"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securitytracker.com/id?1017631"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.vupen.com/english/advisories/2007/0597"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/32473"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5858"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/33052"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/24142"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    {
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/22549"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id?1017631"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.vupen.com/english/advisories/2007/0597"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/32473"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5858"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.