CVE-2007-1859

Estado: ModificadaMedia (4.6)—
XScreenSaver 4.10, when using a remote directory service for credentials, does not properly handle the results from the getpwuid function in drivers/lock.c when there is no network connectivity, which causes XScreenSaver to crash and unlock the screen and allows local users to bypass authentication.
CVSS

Versión: 2.0
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Puntuación base: 4.6
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.41%
Percentil entre todas las CVEs puntuadas: 33
Fecha de la puntuación: 5/10/2026
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 (1)

Xscreensaver — Xscreensaver
CWE

CWE-287
Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2007-1859",
  "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": true,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2007-05-02T20:19:00.000",
  "references": [
    {
      "url": "http://osvdb.org/35531",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/25065",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/25105",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/25116",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/25118",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/25119",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/25225",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/25610",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200705-14.xml",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:097",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.novell.com/linux/security/advisories/2007_9_sr.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2007-0322.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/23783",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securitytracker.com/id?1017996",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/usn-474-1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/34054",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://issues.rpath.com/browse/RPL-1293",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11459",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://osvdb.org/35531",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/25065",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/25105",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/25116",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/25118",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/25119",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/25225",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/25610",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200705-14.xml",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:097",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.novell.com/linux/security/advisories/2007_9_sr.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2007-0322.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/23783",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1017996",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/usn-474-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/34054",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://issues.rpath.com/browse/RPL-1293",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11459",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "XScreenSaver 4.10, when using a remote directory service for credentials, does not properly handle the results from the getpwuid function in drivers/lock.c when there is no network connectivity, which causes XScreenSaver to crash and unlock the screen and allows local users to bypass authentication."
    },
    {
      "lang": "es",
      "value": "XScreenSaver versión 4.10, cuando está usando un servicio de directorio remoto para credenciales, no maneja apropiadamente los resultados de la función getpwuid en el archivo drivers/lock.c cuando no hay conectividad de red, lo que causa que XScreenSaver bloquee y desbloquee la pantalla y permita a usuarios locales omitir la autenticación."
    }
  ],
  "lastModified": "2026-06-16T22:38:26.367",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:2.1:*:advanced_server:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "2641EE56-6F9D-400B-B456-877F4DA79B10"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:2.1:*:enterprise_server:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "E0B458EA-495E-40FA-9379-C03757F7B1EE"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:2.1:*:workstation:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "1728AB5D-55A9-46B0-A412-6F7263CAEB5A"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:3.0:*:advanced_servers:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "81B543F9-C209-46C2-B0AE-E14818A6992E"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:3.0:*:enterprise_server:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "EC79FF22-2664-4C40-B0B3-6D23B5F45162"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:3.0:*:workstation:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "DB89C970-DE94-4E09-A90A-077DB83AD156"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:4.0:*:advanced_server:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "F9440B25-D206-4914-9557-B5F030890DEC"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:4.0:*:enterprise_server:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "E9933557-3BCA-4D92-AD4F-27758A0D3347"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:4.0:*:workstation:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "10A60552-15A5-4E95-B3CE-99A4B26260C1"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:3.0:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "AF3BBBC3-3EF9-4E24-9DE2-627E172A5473"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:4.0:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "7D74A418-50F0-42C0-ABBC-BBBE718FF025"
            },
            {
              "criteria": "cpe:2.3:o:redhat:linux_advanced_workstation:2.1:*:itanium:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "8DBD9D3C-40AB-449D-A9A8-A09DF2DEDB96"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:xscreensaver:xscreensaver:4.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "03DB538F-AEE1-4D18-B1B5-E73BD902BBC2"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}