Vulnerability-Lookup

FKIE_CVE-2015-8803

Vulnerability from fkie_nvd - Published: 2016-02-23 19:59 - Updated: 2026-06-17 00:35

Severity

9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

The ecc_256_modp 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-2015-8805.

References

URL	Tags
cve@mitre.org	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176807.html
cve@mitre.org	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177229.html
cve@mitre.org	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177473.html
cve@mitre.org	http://lists.opensuse.org/opensuse-updates/2016-02/msg00091.html
cve@mitre.org	http://lists.opensuse.org/opensuse-updates/2016-02/msg00093.html
cve@mitre.org	http://lists.opensuse.org/opensuse-updates/2016-02/msg00100.html
cve@mitre.org	http://rhn.redhat.com/errata/RHSA-2016-2582.html
cve@mitre.org	http://www.openwall.com/lists/oss-security/2016/02/02/2
cve@mitre.org	http://www.openwall.com/lists/oss-security/2016/02/03/1
cve@mitre.org	http://www.ubuntu.com/usn/USN-2897-1
cve@mitre.org	https://blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.html
cve@mitre.org	https://git.lysator.liu.se/nettle/nettle/commit/c71d2c9d20eeebb985e3872e4550137209e3ce4d	Patch
cve@mitre.org	https://lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.html
cve@mitre.org	https://lists.lysator.liu.se/pipermail/nettle-bugs/2015/003028.html	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176807.html
af854a3a-2127-422b-91ae-364da2661108	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177229.html
af854a3a-2127-422b-91ae-364da2661108	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177473.html
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-updates/2016-02/msg00091.html
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-updates/2016-02/msg00093.html
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-updates/2016-02/msg00100.html
af854a3a-2127-422b-91ae-364da2661108	http://rhn.redhat.com/errata/RHSA-2016-2582.html
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2016/02/02/2
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2016/02/03/1
af854a3a-2127-422b-91ae-364da2661108	http://www.ubuntu.com/usn/USN-2897-1
af854a3a-2127-422b-91ae-364da2661108	https://blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.html
af854a3a-2127-422b-91ae-364da2661108	https://git.lysator.liu.se/nettle/nettle/commit/c71d2c9d20eeebb985e3872e4550137209e3ce4d	Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.html
af854a3a-2127-422b-91ae-364da2661108	https://lists.lysator.liu.se/pipermail/nettle-bugs/2015/003028.html	Vendor Advisory

Impacted products

Vendor	Product	Version
nettle_project	nettle	*
canonical	ubuntu_linux	14.04
canonical	ubuntu_linux	15.10
opensuse	leap	42.1
opensuse	opensuse	13.1
opensuse	opensuse	13.2

JSON

To clipboard

{
  "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_modp 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-2015-8805."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n ecc_256_modp en ecc-256.c en Nettle en versiones anteriores a 3.2 no maneja correctamente la propagaci\u00f3n del 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-2015-8805."
    }
  ],
  "id": "CVE-2015-8803",
  "lastModified": "2026-06-17T00:35:16.863",
  "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": "2016-02-23T19:59:01.213",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176807.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177229.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177473.html"
    },
    {
      "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.ubuntu.com/usn/USN-2897-1"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://git.lysator.liu.se/nettle/nettle/commit/c71d2c9d20eeebb985e3872e4550137209e3ce4d"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://lists.lysator.liu.se/pipermail/nettle-bugs/2015/003028.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176807.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177229.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177473.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00091.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00093.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00100.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2582.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2016/02/02/2"
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      "url": "http://www.openwall.com/lists/oss-security/2016/02/03/1"
    },
    {
      "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",
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    },
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
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        {
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          "value": "CWE-254"
        },
        {
          "lang": "en",
          "value": "CWE-310"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}

CVE-2015-8803 (GCVE-0-2015-8803)

Vulnerability from cvelistv5 – Published: 2016-02-23 19:00 – Updated: 2024-08-06 08:29

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

14 references

URL	Tags
http://lists.opensuse.org/opensuse-updates/2016-0…	vendor-advisoryx_refsource_SUSE
https://blog.fuzzing-project.org/38-Miscomputatio…	x_refsource_MISC
https://lists.lysator.liu.se/pipermail/nettle-bug…	mailing-listx_refsource_MLIST
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-updates/2016-0…	vendor-advisoryx_refsource_SUSE
https://git.lysator.liu.se/nettle/nettle/commit/c…	x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2897-1	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-updates/2016-0…	vendor-advisoryx_refsource_SUSE
http://www.openwall.com/lists/oss-security/2016/02/02/2	mailing-listx_refsource_MLIST
http://rhn.redhat.com/errata/RHSA-2016-2582.html	vendor-advisoryx_refsource_REDHAT
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
https://lists.gnu.org/archive/html/info-gnu/2016-…	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2016/02/03/1	mailing-listx_refsource_MLIST

Date Public

2015-12-10 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T08:29:22.024Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "name": "openSUSE-SU-2016:0486",
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              "x_transferred"
            ],
            "url": "https://blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.html"
          },
          {
            "name": "[nettle-bugs] 20151212 secp256 calculation bug (already fixed)",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.lysator.liu.se/pipermail/nettle-bugs/2015/003028.html"
          },
          {
            "name": "FEDORA-2016-8ee88aee21",
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            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177473.html"
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            "url": "https://lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.html"
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          "url": "https://blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.html"
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        {
          "name": "[nettle-bugs] 20151212 secp256 calculation bug (already fixed)",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.