CVE-2011-4600

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-12-09T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The networkReloadIptablesRules function in network/bridge_driver.c in libvirt before 0.9.9 does not properly handle firewall rules on bridge networks when libvirtd is restarted, which might allow remote attackers to bypass intended access restrictions via a (1) DNS or (2) DHCP query."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2016-04-14T14:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "http://libvirt.org/news-2012.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=ae1232b298323dd7bef909426e2ebafa6bca9157"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=760442"}, {"name": "USN-2867-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-2867-1"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T00:09:19.397Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://libvirt.org/news-2012.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=ae1232b298323dd7bef909426e2ebafa6bca9157"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=760442"}, {"name": "USN-2867-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-2867-1"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-4600", "datePublished": "2016-04-14T15:00:00.000Z", "dateReserved": "2011-11-29T00:00:00.000Z", "dateUpdated": "2024-08-07T00:09:19.397Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*", "matchCriteriaId": "F38D3B7E-8429-473F-BB31-FC3583EE5A5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:libvirt:0.9.8:*:*:*:*:*:*:*", "matchCriteriaId": "48F55C0A-3E6E-4E24-81D7-F023728E486A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The networkReloadIptablesRules function in network/bridge_driver.c in libvirt before 0.9.9 does not properly handle firewall rules on bridge networks when libvirtd is restarted, which might allow remote attackers to bypass intended access restrictions via a (1) DNS or (2) DHCP query."}, {"lang": "es", "value": "La funci\u00f3n networkReloadIptablesRules en network/bridge_driver.c en libvirt en versiones anteriores a 0.9.9 no maneja correctamente las reglas del firewall en redes puente cuando se reinicia libvirtd, lo que podr\u00eda permitir a atacantes remotos eludir las restricciones de acceso previstas a trav\u00e9s de una consulta (1) DNS o (2) DHCP."}], "id": "CVE-2011-4600", "lastModified": "2026-06-16T23:35:07.230", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-04-14T15:59:00.120", "references": [{"source": "secalert@redhat.com", "url": "http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=ae1232b298323dd7bef909426e2ebafa6bca9157"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://libvirt.org/news-2012.html"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-2867-1"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=760442"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=ae1232b298323dd7bef909426e2ebafa6bca9157"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://libvirt.org/news-2012.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2867-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=760442"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHBA-2012:0013", "cpe": "cpe:/o:redhat:rhel_eus:6.2", "package": "libvirt-0:0.9.4-23.el6_2.4", "product_name": "Red Hat Enterprise Linux 6.2 EUS - Server and Compute Node Only", "release_date": "2012-01-17T00:00:00Z"}], "bugzilla": {"description": "libvirt: unintended firewall port exposure after restarting libvirtd when defining a bridged forward-mode network", "id": "765964", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=765964"}, "csaw": false, "cvss": {"cvss_base_score": "2.6", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:N/A:N", "status": "verified"}, "details": ["The networkReloadIptablesRules function in network/bridge_driver.c in libvirt before 0.9.9 does not properly handle firewall rules on bridge networks when libvirtd is restarted, which might allow remote attackers to bypass intended access restrictions via a (1) DNS or (2) DHCP query."], "name": "CVE-2011-4600", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "libvirt", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Affected", "package_name": "libvirt", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2011-12-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-4600\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4600"], "statement": "This issue affect Red Hat Enterprise Linux 6 and has been addressed via \nhttps://rhn.redhat.com/errata/RHBA-2012-0013.html. Red Hat Enterprise Linux 5 is \nnot affected. The Red Hat Security Response Team has rated this issue as having \nlow security impact. For additional information, refer to the Issue Severity \nClassification: https://access.redhat.com/security/updates/classification/.", "threat_severity": "Low"}

{}