CVE-2009-2855

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2009-07-06T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote attackers to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite loop of calls to the strcspn function."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-09-18T12:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "[oss-security] 20090803 Re: squid DoS in external auth header parser", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2009/08/03/3"}, {"name": "36091", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/36091"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982"}, {"name": "[oss-security] 20090804 Re: squid DoS in external auth header parser", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2009/08/04/6"}, {"tags": ["x_refsource_MISC"], "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2704"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2541"}, {"name": "1022757", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id?1022757"}, {"name": "oval:org.mitre.oval:def:10592", "tags": ["vdb-entry", "signature", "x_refsource_OVAL"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10592"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=518182"}, {"name": "[oss-security] 20090720 squid DoS in external auth header parser", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2009/07/20/10"}, {"name": "squid-strlistgetitem-dos(52610)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/52610"}, {"tags": ["x_refsource_MISC"], "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=31%3Bfilename=diff%3Batt=1%3Bbug=534982"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2009-2855", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote attackers to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite loop of calls to the strcspn function."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[oss-security] 20090803 Re: squid DoS in external auth header parser", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2009/08/03/3"}, {"name": "36091", "refsource": "BID", "url": "http://www.securityfocus.com/bid/36091"}, {"name": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982", "refsource": "CONFIRM", "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982"}, {"name": "[oss-security] 20090804 Re: squid DoS in external auth header parser", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2009/08/04/6"}, {"name": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2704", "refsource": "MISC", "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2704"}, {"name": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2541", "refsource": "CONFIRM", "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2541"}, {"name": "1022757", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id?1022757"}, {"name": "oval:org.mitre.oval:def:10592", "refsource": "OVAL", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10592"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=518182", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=518182"}, {"name": "[oss-security] 20090720 squid DoS in external auth header parser", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2009/07/20/10"}, {"name": "squid-strlistgetitem-dos(52610)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/52610"}, {"name": "http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=31;filename=diff;att=1;bug=534982", "refsource": "MISC", "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=31;filename=diff;att=1;bug=534982"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T06:07:36.421Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20090803 Re: squid DoS in external auth header parser", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2009/08/03/3"}, {"name": "36091", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/36091"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982"}, {"name": "[oss-security] 20090804 Re: squid DoS in external auth header parser", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2009/08/04/6"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2704"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2541"}, {"name": "1022757", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id?1022757"}, {"name": "oval:org.mitre.oval:def:10592", "tags": ["vdb-entry", "signature", "x_refsource_OVAL", "x_transferred"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10592"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=518182"}, {"name": "[oss-security] 20090720 squid DoS in external auth header parser", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2009/07/20/10"}, {"name": "squid-strlistgetitem-dos(52610)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/52610"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=31%3Bfilename=diff%3Batt=1%3Bbug=534982"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2009-2855", "datePublished": "2009-08-18T20:41:00.000Z", "dateReserved": "2009-08-18T00:00:00.000Z", "dateUpdated": "2024-08-07T06:07:36.421Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:squid-cache:squid:2.7:*:*:*:*:*:*:*", "matchCriteriaId": "35C30CB9-FA3A-408D-A8B0-8805E75657BE", "vulnerable": true}, {"criteria": "cpe:2.3:a:squid-cache:squid:2.7:stable3:*:*:*:*:*:*", "matchCriteriaId": "A03692DD-779F-4E3C-861C-29943870A816", "vulnerable": true}, {"criteria": "cpe:2.3:a:squid-cache:squid:2.7:stable4:*:*:*:*:*:*", "matchCriteriaId": "79FF6B3C-A3CE-4AA2-80F9-44D05A6B2F08", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote attackers to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite loop of calls to the strcspn function."}, {"lang": "es", "value": "La funci\u00f3n strListGetItem en src/HttpHeaderTools.c en Squid v2.7 a permite a los atacantes remotos causar una denegaci\u00f3n de servicio a trav\u00e9s de una cabecera auth manipulada con ciertos delimitadores coma que lanzan un bucle infinito de llamadas a la funci\u00f3n strcspn."}], "id": "CVE-2009-2855", "lastModified": "2026-06-16T23:10:22.010", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-08-18T21:00:00.640", "references": [{"source": "cve@mitre.org", "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982"}, {"source": "cve@mitre.org", "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=31%3Bfilename=diff%3Batt=1%3Bbug=534982"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2009/07/20/10"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2009/08/03/3"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2009/08/04/6"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/36091"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id?1022757"}, {"source": "cve@mitre.org", "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2541"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2704"}, {"source": "cve@mitre.org", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=518182"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/52610"}, {"source": "cve@mitre.org", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10592"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=31%3Bfilename=diff%3Batt=1%3Bbug=534982"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2009/07/20/10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2009/08/03/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2009/08/04/6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/36091"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1022757"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2541"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2704"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=518182"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/52610"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10592"}], "sourceIdentifier": "cve@mitre.org", "vendorComments": [{"comment": "This issue did not affect the versions of the squid packages, as shipped with Red Hat Enterprise Linux 3 and 4.\n\nThe issue was addressed in the squid packages as shipped with Red Hat Enterprise Linux 5 via:\nhttps://rhn.redhat.com/errata/RHSA-2010-0221.html\n", "lastModified": "2010-03-31T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2010:0221", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "squid-7:2.6.STABLE21-6.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2010-03-29T00:00:00Z"}], "bugzilla": {"description": "squid: DoS (100% CPU use) while processing certain external ACL helper HTTP headers", "id": "518182", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=518182"}, "csaw": false, "cvss": {"cvss_base_score": "2.9", "cvss_scoring_vector": "AV:A/AC:M/Au:N/C:N/I:N/A:P", "status": "verified"}, "details": ["The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote attackers to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite loop of calls to the strcspn function."], "name": "CVE-2009-2855", "public_date": "2009-06-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-2855\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-2855"], "statement": "This issue did not affect the versions of the squid packages, as shipped with Red Hat Enterprise Linux 3 and 4.", "threat_severity": "Low"}

{}