« Volver al listado

CVE-2015-0856

Estado: ModificadaMedia (4.6)—

daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Fedoraproject — FedoraSddm Project — Sddm

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2015-0856",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "security@debian.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2015-11-24T20:59:00.120",
  "references": [
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171443.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2015/10/14/2",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/77099",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://github.com/sddm/sddm/commit/4cfed6b0a625593fb43876f04badc4dd99799d86",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://github.com/sddm/sddm/wiki/0.13.0-Release-Announcement",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171443.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2015/10/14/2",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/77099",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/sddm/sddm/commit/4cfed6b0a625593fb43876f04badc4dd99799d86",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/sddm/sddm/wiki/0.13.0-Release-Announcement",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme."
    },
    {
      "lang": "es",
      "value": "daemon/Greeter.cpp en sddm en versiones anteriores 0.13.0 no deshabilita adecuadamente el manejo de caída de KDE, lo que permite a usuarios locales obtener privilegios mediante la caída de un greeter cuando utiliza ciertos temas, según lo demostrado por el tema breeze en área de trabajo de plasma."
    }
  ],
  "lastModified": "2026-06-17T00:21:02.820",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "253C303A-E577-4488-93E6-68A8DD942C38"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sddm_project:sddm:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B46F7C27-9B37-4CBD-971C-8A79E70B551D",
              "versionEndIncluding": "0.12.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@debian.org"
}