CVE-2009-3826 (GCVE-0-2009-3826)

Vulnerability from cvelistv5 – Published: 2009-10-28 14:00 – Updated: 2024-08-07 06:38
VLAI
Summary
Multiple buffer overflows in squidGuard 1.4 allow remote attackers to bypass intended URL blocking via a long URL, related to (1) the relationship between a certain buffer size in squidGuard and a certain buffer size in Squid and (2) a redirect URL that contains information about the originally requested URL.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.squidguard.org/Downloads/Patches/1.4/R… x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://www.vupen.com/english/advisories/2009/3013 vdb-entryx_refsource_VUPEN
http://securitytracker.com/id?1023079 vdb-entryx_refsource_SECTRACK
http://secunia.com/advisories/37107 third-party-advisoryx_refsource_SECUNIA
http://www.vupen.com/english/advisories/2010/1043 vdb-entryx_refsource_VUPEN
http://www.osvdb.org/59164 vdb-entryx_refsource_OSVDB
http://www.debian.org/security/2010/dsa-2040 vendor-advisoryx_refsource_DEBIAN
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/bid/36800 vdb-entryx_refsource_BID
http://secunia.com/advisories/39679 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/archive/1/507440/100… mailing-listx_refsource_BUGTRAQ
Date Public
2009-10-19 00:00
Show details on NVD website
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      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-119\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2009-3826\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2009-10-28T14:30:00.297\",\"lastModified\":\"2026-04-23T00:35:47.467\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Multiple buffer overflows in squidGuard 1.4 allow remote attackers to bypass intended URL blocking via a long URL, related to (1) the relationship between a certain buffer size in squidGuard and a certain buffer size in Squid and (2) a redirect URL that contains information about the originally requested URL.\"},{\"lang\":\"es\",\"value\":\"M\u00faltiples desbordamiento de b\u00fafer en squidGuard v1.4 permite a atacantes remotos eludir el bloqueo de URL a trav\u00e9s de una URL larga, referido a (1)relaciones entre el tama\u00f1o de cierto b\u00fafer en squidGuard y el tama\u00f1o de cierto b\u00fafer en Squid y (2) una redirecci\u00f3n URL que contiene informaci\u00f3n sobre las petici\u00f3n URL original.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:squidguard:squidguard:1.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2A13B1EC-6F1F-4A9A-A9AC-65548B3E27B5\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://secunia.com/advisories/37107\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://secunia.com/advisories/39679\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://securitytracker.com/id?1023079\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.debian.org/security/2010/dsa-2040\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.osvdb.org/59164\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/archive/1/507440/100/0/threaded\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/bid/36800\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.squidguard.org/Downloads/Patches/1.4/Readme.Patch-20091019\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.vupen.com/english/advisories/2009/3013\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://www.vupen.com/english/advisories/2010/1043\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/53922\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/37107\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://secunia.com/advisories/39679\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://securitytracker.com/id?1023079\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.debian.org/security/2010/dsa-2040\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.osvdb.org/59164\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/archive/1/507440/100/0/threaded\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/36800\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.squidguard.org/Downloads/Patches/1.4/Readme.Patch-20091019\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.vupen.com/english/advisories/2009/3013\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://www.vupen.com/english/advisories/2010/1043\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/53922\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "current_release_date": "2025-11-21T13:10:12+00:00",
      "cve": "CVE-2009-3826",
      "id": "CVE-2009-3826",
      "initial_release_date": "2009-10-15T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "squidGuard: buffer overflow in sgLog.c (CVE-2009-3700) and two URL filter bypass issues (CVE-2009-3826)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2009/cve-2009-3826.json",
      "version": "3"
    }
  }
}



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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.