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CVE-2011-3154

Status: ModifiedLow (1.9)—

DistUpgrade/DistUpgradeViewKDE.py in Update Manager before 1:0.87.31.1, 1:0.134.x before 1:0.134.11.1, 1:0.142.x before 1:0.142.23.1, 1:0.150.x before 1:0.150.5.1, and 1:0.152.x before 1:0.152.25.5 does not properly create temporary files, which allows local users to obtain the XAUTHORITY file content for a user via a symlink attack on the temporary file.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Canonical — Ubuntu LinuxCanonical — Update-manager

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2011-3154",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 1.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-04-17T14:55:04.717",
  "references": [
    {
      "url": "http://secunia.com/advisories/47024",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1284-1",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/881541",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/47024",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1284-1",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/881541",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "DistUpgrade/DistUpgradeViewKDE.py in Update Manager before 1:0.87.31.1, 1:0.134.x before 1:0.134.11.1, 1:0.142.x before 1:0.142.23.1, 1:0.150.x before 1:0.150.5.1, and 1:0.152.x before 1:0.152.25.5 does not properly create temporary files, which allows local users to obtain the XAUTHORITY file content for a user via a symlink attack on the temporary file."
    },
    {
      "lang": "es",
      "value": "DistUpgrade/DistUpgradeViewKDE.py en Update Manager anterior a 1:0.87.31.1, 1:0.134.x anterior a 1:0.134.11.1, 1:0.142.x anterior a 1:0.142.23.1, 1:0.150.x anterior a 1:0.150.5.1 y 1:0.152.x anterior a 1:0.152.25.5 no crea debidamente archivos temporales, lo que permite a usuarios locales obtener el contenido de archivo XAUTHORITY para un usuario a través de un ataque symlink sobre el archivo temporal."
    }
  ],
  "lastModified": "2026-06-16T23:32:46.003",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "6E6222C1-BE30-494E-9956-37DCC11200A6",
              "versionEndIncluding": "1\\:0.87.24"
            },
            {
              "criteria": "cpe:2.3:a:canonical:update-manager:1\\:0.134.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3BC72F6F-A738-47DC-ACE0-C4D00AD6426E"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "EA72C593-8B42-4683-BE81-E87CE26FDCF4"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "EDDB1BE2-8F01-46C5-ABE1-7D4E4AF40B72"
            },
            {
              "criteria": "cpe:2.3:a:canonical:update-manager:1\\:0.152.25:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "ECE75579-DB27-4944-AB3F-BDC77A895E0A"
            },
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              "vulnerable": true,
              "matchCriteriaId": "D6DFE2D3-46E2-4D0C-8508-30307D654560"
            },
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              "vulnerable": true,
              "matchCriteriaId": "7118F616-25CA-4E34-AA13-4D14BB62419F"
            },
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              "vulnerable": true,
              "matchCriteriaId": "87614B58-24AB-49FB-9C84-E8DDBA16353B"
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EF49D26F-142E-468B-87C1-BABEA445255C"
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E4174F4F-149E-41A6-BBCC-D01114C05F38"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}