CVE-2011-4409 (GCVE-0-2011-4409)

Vulnerability from cvelistv5 – Published: 2012-06-16 00:00 – Updated: 2024-08-07 00:09
VLAI
Summary
The Ubuntu One Client for Ubuntu 10.04 LTS, 11.04, 11.10, and 12.04 LTS does not properly validate SSL certificates, which allows remote attackers to spoof a server and modify or read sensitive information via a man-in-the-middle (MITM) attack.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://secunia.com/advisories/49442 third-party-advisoryx_refsource_SECUNIA
http://ubuntu.com/usn/usn-1465-3 vendor-advisoryx_refsource_UBUNTU
http://ubuntu.com/usn/usn-1465-1 vendor-advisoryx_refsource_UBUNTU
http://www.osvdb.org/82748 vdb-entryx_refsource_OSVDB
http://ubuntu.com/usn/usn-1465-2 vendor-advisoryx_refsource_UBUNTU
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://www.securityfocus.com/bid/53828 vdb-entryx_refsource_BID
Date Public
2012-06-06 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-07T00:09:18.314Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "49442",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/49442"
          },
          {
            "name": "USN-1465-3",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://ubuntu.com/usn/usn-1465-3"
          },
          {
            "name": "USN-1465-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://ubuntu.com/usn/usn-1465-1"
          },
          {
            "name": "82748",
            "tags": [
              "vdb-entry",
              "x_refsource_OSVDB",
              "x_transferred"
            ],
            "url": "http://www.osvdb.org/82748"
          },
          {
            "name": "USN-1465-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://ubuntu.com/usn/usn-1465-2"
          },
          {
            "name": "ubuntuoneclient-ssl-info-disc(76113)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/76113"
          },
          {
            "name": "53828",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/53828"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2012-06-06T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The Ubuntu One Client for Ubuntu 10.04 LTS, 11.04, 11.10, and 12.04 LTS does not properly validate SSL certificates, which allows remote attackers to spoof a server and modify or read sensitive information via a man-in-the-middle (MITM) attack."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-08-28T12:57:01.000Z",
        "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "shortName": "canonical"
      },
      "references": [
        {
          "name": "49442",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/49442"
        },
        {
          "name": "USN-1465-3",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://ubuntu.com/usn/usn-1465-3"
        },
        {
          "name": "USN-1465-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://ubuntu.com/usn/usn-1465-1"
        },
        {
          "name": "82748",
          "tags": [
            "vdb-entry",
            "x_refsource_OSVDB"
          ],
          "url": "http://www.osvdb.org/82748"
        },
        {
          "name": "USN-1465-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://ubuntu.com/usn/usn-1465-2"
        },
        {
          "name": "ubuntuoneclient-ssl-info-disc(76113)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/76113"
        },
        {
          "name": "53828",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/53828"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@ubuntu.com",
          "ID": "CVE-2011-4409",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The Ubuntu One Client for Ubuntu 10.04 LTS, 11.04, 11.10, and 12.04 LTS does not properly validate SSL certificates, which allows remote attackers to spoof a server and modify or read sensitive information via a man-in-the-middle (MITM) attack."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "49442",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/49442"
            },
            {
              "name": "USN-1465-3",
              "refsource": "UBUNTU",
              "url": "http://ubuntu.com/usn/usn-1465-3"
            },
            {
              "name": "USN-1465-1",
              "refsource": "UBUNTU",
              "url": "http://ubuntu.com/usn/usn-1465-1"
            },
            {
              "name": "82748",
              "refsource": "OSVDB",
              "url": "http://www.osvdb.org/82748"
            },
            {
              "name": "USN-1465-2",
              "refsource": "UBUNTU",
              "url": "http://ubuntu.com/usn/usn-1465-2"
            },
            {
              "name": "ubuntuoneclient-ssl-info-disc(76113)",
              "refsource": "XF",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/76113"
            },
            {
              "name": "53828",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/53828"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2011-4409",
    "datePublished": "2012-06-16T00:00:00.000Z",
    "dateReserved": "2011-11-07T00:00:00.000Z",
    "dateUpdated": "2024-08-07T00:09:18.314Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2011-4409",
      "date": "2026-09-24",
      "epss": "0.01755",
      "percentile": "0.76942"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:*",
                    "matchCriteriaId": "7118F616-25CA-4E34-AA13-4D14BB62419F",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*",
                    "matchCriteriaId": "EF49D26F-142E-468B-87C1-BABEA445255C",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E4174F4F-149E-41A6-BBCC-D01114C05F38",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*",
                    "matchCriteriaId": "F5D324C4-97C7-49D3-A809-9EAD4B690C69",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The Ubuntu One Client for Ubuntu 10.04 LTS, 11.04, 11.10, and 12.04 LTS does not properly validate SSL certificates, which allows remote attackers to spoof a server and modify or read sensitive information via a man-in-the-middle (MITM) attack."
          },
          {
            "lang": "es",
            "value": "Ubuntu One Client para Ubuntu 10.04 LTS, 11.04, 11.10, y 12.04 LTS no valida apropiadamente los certificados, lo que permite a atacantes remotos suplantar un servidor y modificar o leer informaci\u00f3n confidencial a trav\u00e9s de un ataque de man-in-the-middle (MITM)."
          }
        ],
        "id": "CVE-2011-4409",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "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",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2012-06-16T00:55:05.657",
        "references": [
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/49442"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://ubuntu.com/usn/usn-1465-1"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://ubuntu.com/usn/usn-1465-2"
          },
          {
            "source": "security@ubuntu.com",
            "url": "http://ubuntu.com/usn/usn-1465-3"
          },
          {
            "source": "security@ubuntu.com",
            "url": "http://www.osvdb.org/82748"
          },
          {
            "source": "security@ubuntu.com",
            "url": "http://www.securityfocus.com/bid/53828"
          },
          {
            "source": "security@ubuntu.com",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/76113"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/49442"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://ubuntu.com/usn/usn-1465-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://ubuntu.com/usn/usn-1465-2"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://ubuntu.com/usn/usn-1465-3"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.osvdb.org/82748"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/53828"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/76113"
          }
        ],
        "sourceIdentifier": "security@ubuntu.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



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.