CVE-2011-2527

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{"criteria": "cpe:2.3:a:qemu:qemu:0.15.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "80621FFA-6189-47CD-9A6A-1D5A781862AE", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The change_process_uid function in os-posix.c in Qemu 0.14.0 and earlier does not properly drop group privileges when the -runas option is used, which allows local guest users to access restricted files on the host."}, {"lang": "es", "value": "La funci\u00f3n change_process_uid en os-posix.c en Qemu v0.14.0 y anteriores no \"suelta\" correctamente los privilegios de grupo cuando se usa la opci\u00f3n -runas, lo que permite acceder a archivos restringidos en el host a usuarios locales invitados."}], "id": "CVE-2011-2527", "lastModified": "2026-06-16T23:31:31.273", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-06-21T15:55:09.863", "references": [{"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081972.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-updates/2012-02/msg00009.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2011-1531.html"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/45187"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/45188"}, {"source": 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["Vendor Advisory"], "url": "http://secunia.com/advisories/47992"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://ubuntu.com/usn/usn-1177-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/07/12/15"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/07/12/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/74752"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/48659"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugs.launchpad.net/qemu/+bug/807893"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68539"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2011/dsa-2282"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:1531", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "qemu-kvm-2:0.12.1.2-2.209.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-12-05T00:00:00Z"}], "bugzilla": {"description": "qemu: when started as root, extra groups are not dropped correctly", "id": "720773", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=720773"}, "csaw": false, "cvss": {"cvss_base_score": "3.7", "cvss_scoring_vector": "AV:L/AC:H/Au:N/C:P/I:P/A:P", "status": "verified"}, "details": ["The change_process_uid function in os-posix.c in Qemu 0.14.0 and earlier does not properly drop group privileges when the -runas option is used, which allows local guest users to access restricted files on the host."], "name": "CVE-2011-2527", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2011-07-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2527\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2527"], "statement": "Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw. This issue did not affect the versions of qemu-kvm as shipped with Red Hat Enterprise Linux 5 as it did not include support for \"run as\" functionality.", "threat_severity": "Moderate"}

{}