CVE-2007-3843

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"http://www.debian.org/security/2007/dsa-1363"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.23-rc1"}, {"name": "RHSA-2007:0939", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://www.redhat.com/support/errata/RHSA-2007-0939.html"}, {"name": "USN-510-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/usn-510-1"}, {"name": "25244", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/25244"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm"}, {"name": "26647", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/26647"}, {"name": "27912", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": 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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:linux:linux_kernel:*:rc6:*:*:*:*:*:*", "matchCriteriaId": "3A6308B9-831E-4E3E-8F3C-393D5CE9E308", "versionEndIncluding": "2.6.22", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Linux kernel before 2.6.23-rc1 checks the wrong global variable for the CIFS sec mount option, which might allow remote attackers to spoof CIFS network traffic that the client configured for security signatures, as demonstrated by lack of signing despite sec=ntlmv2i in a SetupAndX request."}, {"lang": "es", "value": "El kernel Linux versiones anteriores a 2.6.23-rc1 comprueba la variable global err\u00f3nea para la opci\u00f3n de montado CIFS sec, lo cual podr\u00eda permitir a atacantes remotos falsificar tr\u00e1fico de red CIFS que el cliente configur\u00f3 para firmas de seguridad, como se demuestra por una falta de firmado a pesar de indicar sec=ntlmv2i en una petici\u00f3n SetupAndX."}], "id": "CVE-2007-3843", "lastModified": "2026-06-16T22:42:52.503", "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", "userInteractionRequired": false}]}, "published": "2007-08-09T21:17:00.000", "references": [{"source": "secalert@redhat.com", "url": "http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=246595"}, {"source": "secalert@redhat.com", "url": "http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.23-rc1"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00002.html"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/26366"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/26647"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/26760"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/27436"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/27747"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/27912"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/28806"}, {"source": "secalert@redhat.com", "url": 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"organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2007:0939", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "kernel-0:2.6.9-55.0.12.EL", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2007-11-01T00:00:00Z"}, {"advisory": "RHSA-2007:0705", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-8.1.10.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2007-09-13T00:00:00Z"}], "bugzilla": {"description": "CIFS signing sec= mount options don't work correctly", "id": "275901", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=275901"}, "csaw": false, "details": ["The Linux kernel before 2.6.23-rc1 checks the wrong global variable for the CIFS sec mount option, which might allow remote attackers to spoof CIFS network traffic that the client configured for security signatures, as demonstrated by lack of signing despite sec=ntlmv2i in a SetupAndX request."], "name": "CVE-2007-3843", "public_date": "2007-06-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2007-3843\nhttps://nvd.nist.gov/vuln/detail/CVE-2007-3843"], "statement": "This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1 or 3.", "threat_severity": "Low"}

{}