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FKIE_CVE-2015-8025

Vulnerability from fkie_nvd - Published: 2015-11-10 17:59 - Updated: 2026-06-17 00:33
Severity
Summary
driver/subprocs.c in XScreenSaver before 5.34 does not properly perform an internal consistency check, which allows physically proximate attackers to bypass the lock screen by hot swapping monitors.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-updates/2015-11/msg00102.html
cve@mitre.orghttp://www.debian.org/security/2016/dsa-3438
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2015/10/24/2Exploit
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2015/10/25/1
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2015/10/29/12
cve@mitre.orghttp://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
cve@mitre.orghttp://www.securitytracker.com/id/1034052
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2789-1
cve@mitre.orghttps://twitter.com/Thaolia/status/656823859304398848
cve@mitre.orghttps://www.jwz.org/blog/2015/10/xscreensaver-5-34/
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2015-11/msg00102.html
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3438
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2015/10/24/2Exploit
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2015/10/25/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2015/10/29/12
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1034052
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2789-1
af854a3a-2127-422b-91ae-364da2661108https://twitter.com/Thaolia/status/656823859304398848
af854a3a-2127-422b-91ae-364da2661108https://www.jwz.org/blog/2015/10/xscreensaver-5-34/
Impacted products
Vendor Product Version
canonical ubuntu_linux 12.04
xscreensaver_project xscreensaver 5.33

{
  "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:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:xscreensaver_project:xscreensaver:5.33:*:*:*:*:*:*:*",
              "matchCriteriaId": "1E905914-5F5A-44E7-BE79-8175DBC53EEE",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "driver/subprocs.c in XScreenSaver before 5.34 does not properly perform an internal consistency check, which allows physically proximate attackers to bypass the lock screen by hot swapping monitors."
    },
    {
      "lang": "es",
      "value": "driver/subprocs.c en XScreenSaver en versiones anteriores a 5.34 no lleva a cabo correctamente una comprobaci\u00f3n de consistencia interna, lo que permite a atacantes f\u00edsicamente pr\u00f3ximos eludir la pantalla de bloqueo cambiando los monitores sin apagar el dispositivo."
    }
  ],
  "id": "CVE-2015-8025",
  "lastModified": "2026-06-17T00:33:53.310",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2015-11-10T17:59:11.653",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-updates/2015-11/msg00102.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.debian.org/security/2016/dsa-3438"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2015/10/24/2"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.openwall.com/lists/oss-security/2015/10/25/1"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.openwall.com/lists/oss-security/2015/10/29/12"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securitytracker.com/id/1034052"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.ubuntu.com/usn/USN-2789-1"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://twitter.com/Thaolia/status/656823859304398848"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.jwz.org/blog/2015/10/xscreensaver-5-34/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-updates/2015-11/msg00102.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2016/dsa-3438"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2015/10/24/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2015/10/25/1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2015/10/29/12"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1034052"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.ubuntu.com/usn/USN-2789-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://twitter.com/Thaolia/status/656823859304398848"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.jwz.org/blog/2015/10/xscreensaver-5-34/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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