CVE-2015-8805

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{"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:nettle_project:nettle:*:*:*:*:*:*:*:*", "matchCriteriaId": "47888326-2A22-4144-949D-FCF152AB9FDA", "versionEndIncluding": "3.1.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"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:15.10:*:*:*:*:*:*:*", "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*", "matchCriteriaId": "4863BE36-D16A-4D75-90D9-FD76DB5B48B7", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*", "matchCriteriaId": "A10BC294-9196-425F-9FB0-B1625465B47F", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*", "matchCriteriaId": "03117DF1-3BEC-4B8D-AD63-DBBDB2126081", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ecc_256_modq function in ecc-256.c in Nettle before 3.2 does not properly handle carry propagation and produces incorrect output in its implementation of the P-256 NIST elliptic curve, which allows attackers to have unspecified impact via unknown vectors, a different vulnerability than CVE-2015-8803."}, {"lang": "es", "value": "La funci\u00f3n ecc_256_modq en ecc-256.c en Nettle en versiones anteriores a 3.2 no maneja correctamente la propagaci\u00f3n de acarreo y produce una salida incorrecta en su implementaci\u00f3n de la curva el\u00edptica P-256 NIST, lo que permite a atacantes tener un impacto no especificado a trav\u00e9s de vectores desconocidos, una vulnerabilidad diferente a CVE-2015-8803."}], "id": "CVE-2015-8805", "lastModified": "2026-06-17T00:35:17.210", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-02-23T19:59:03.167", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00091.html"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00093.html"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00100.html"}, {"source": "cve@mitre.org", "url": "http://rhn.redhat.com/errata/RHSA-2016-2582.html"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2016/02/02/2"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2016/02/03/1"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/84272"}, {"source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-2897-1"}, {"source": "cve@mitre.org", "url": 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"af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/84272"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2897-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.lysator.liu.se/nettle/nettle/commit/c71d2c9d20eeebb985e3872e4550137209e3ce4d"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-310"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2016:2582", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "nettle-0:2.7.1-8.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-11-03T00:00:00Z"}], "bugzilla": {"description": "nettle: secp256 calculation bug", "id": "1304382", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1304382"}, "csaw": false, "cvss": {"cvss_base_score": "5.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "status": "verified"}, "cwe": "CWE-358", "details": ["The ecc_256_modq function in ecc-256.c in Nettle before 3.2 does not properly handle carry propagation and produces incorrect output in its implementation of the P-256 NIST elliptic curve, which allows attackers to have unspecified impact via unknown vectors, a different vulnerability than CVE-2015-8803."], "name": "CVE-2015-8805", "public_date": "2016-02-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-8805\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-8805"], "threat_severity": "Moderate"}

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