CVE-2015-0282

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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:a:gnu:gnutls:*:*:*:*:*:*:*:*", "matchCriteriaId": "566DEEC1-DA2F-43C7-AFE3-AC351CCA3795", "versionEndIncluding": "3.0.9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "GnuTLS before 3.1.0 does not verify that the RSA PKCS #1 signature algorithm matches the signature algorithm in the certificate, which allows remote attackers to conduct downgrade attacks via unspecified vectors."}, {"lang": "es", "value": "GnuTLS anterior a 3.1.0 no verifica que el algoritmo de firmas RSA PKCS #1 coincide con el algoritmo de firmas en el certificado, lo que permite a atacantes remotos realizar ataques de degradaci\u00f3n a trav\u00e9s de vectores no especificados."}], "id": "CVE-2015-0282", "lastModified": "2026-06-17T00:19:54.130", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2015-03-24T17:59:04.007", "references": [{"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2015-1457.html"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2015/dsa-3191"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://www.gnutls.org/security.html"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/73119"}, {"source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id/1032148"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2015-1457.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2015/dsa-3191"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.gnutls.org/security.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/73119"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1032148"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-310"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Nikos Mavrogiannopoulos (Red Hat Security Technologies Team).", "affected_release": [{"advisory": "RHSA-2015:1457", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "gnutls-0:2.8.5-18.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2015-07-21T00:00:00Z"}], "bugzilla": {"description": "gnutls: RSA PKCS#1 signature verification forgery", "id": "1194371", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1194371"}, "csaw": false, "cvss": {"cvss_base_score": "4.0", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:P/A:N", "status": "verified"}, "cwe": "CWE-295", "details": ["GnuTLS before 3.1.0 does not verify that the RSA PKCS #1 signature algorithm matches the signature algorithm in the certificate, which allows remote attackers to conduct downgrade attacks via unspecified vectors.", "It was found that GnuTLS did not verify whether a hashing algorithm listed in a signature matched the hashing algorithm listed in the certificate. An attacker could create a certificate that used a different hashing algorithm than it claimed, possibly causing GnuTLS to use an insecure, disallowed hashing algorithm during certificate verification."], "name": "CVE-2015-0282", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_linux:7::hypervisor", "fix_state": "Affected", "package_name": "mingw-virt-viewer", "product_name": "Red Hat Enterprise Virtualization 3"}], "public_date": "2015-03-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-0282\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-0282"], "statement": "This issue did not affect the version of gnutls package as shipped with Red Hat Enterprise Linux 7.\nThis issue affects the version of gnutls package as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Extended Life Cycle phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.", "threat_severity": "Moderate"}

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