FKIE_CVE-2011-1829

Vulnerability from fkie_nvd - Published: 2011-07-27 02:55 - Updated: 2026-06-16 23:30
Severity
Summary
APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the-middle attackers to install modified packages via vectors involving lack of an initial clearsigned message.
References
security@ubuntu.comhttp://launchpadlibrarian.net/75126628/apt_0.8.13.2ubuntu2_0.8.13.2ubuntu4.1.diff.gzPatch, Third Party Advisory
security@ubuntu.comhttp://packages.debian.org/changelogs/pool/main/a/apt/current/changelogRelease Notes, Vendor Advisory
security@ubuntu.comhttp://www.securityfocus.com/bid/48671Third Party Advisory, VDB Entry
security@ubuntu.comhttp://www.ubuntu.com/usn/USN-1169-1Third Party Advisory
security@ubuntu.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/68560Third Party Advisory, VDB Entry
security@ubuntu.comhttps://launchpad.net/bugs/784473Third Party Advisory
security@ubuntu.comhttps://launchpad.net/ubuntu/+archive/primary/+sourcepub/1817196/+listing-archive-extraPatch
af854a3a-2127-422b-91ae-364da2661108http://launchpadlibrarian.net/75126628/apt_0.8.13.2ubuntu2_0.8.13.2ubuntu4.1.diff.gzPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packages.debian.org/changelogs/pool/main/a/apt/current/changelogRelease Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/48671Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-1169-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/68560Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://launchpad.net/bugs/784473Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://launchpad.net/ubuntu/+archive/primary/+sourcepub/1817196/+listing-archive-extraPatch
Impacted products
Vendor Product Version
debian advanced_package_tool *
canonical ubuntu_linux 11.04
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "security@ubuntu.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:debian:advanced_package_tool:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "36362F14-3D29-4012-B3C7-01576EE4A295",
              "versionEndExcluding": "0.8.15.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*",
              "matchCriteriaId": "EF49D26F-142E-468B-87C1-BABEA445255C",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the-middle attackers to install modified packages via vectors involving lack of an initial clearsigned message."
    },
    {
      "lang": "es",
      "value": "APT en versiones anteriores a la 0.8.15.2 no valida apropiadamente las firmas GPG adjuntas (\"inline\"), lo que permite atacantes de hombre en el medio (\"man-in-the-middle\") instalar paquetes modificados a trav\u00e9s de vectores que involucran la falta de un mensaje inicial \"clearsigned\" (firmado en claro)."
    }
  ],
  "id": "CVE-2011-1829",
  "lastModified": "2026-06-16T23:30:12.047",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2011-07-27T02:55:01.540",
  "references": [
    {
      "source": "security@ubuntu.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://launchpadlibrarian.net/75126628/apt_0.8.13.2ubuntu2_0.8.13.2ubuntu4.1.diff.gz"
    },
    {
      "source": "security@ubuntu.com",
      "tags": [
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      "url": "http://packages.debian.org/changelogs/pool/main/a/apt/current/changelog"
    },
    {
      "source": "security@ubuntu.com",
      "tags": [
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      "url": "http://www.securityfocus.com/bid/48671"
    },
    {
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      "tags": [
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      "url": "http://www.ubuntu.com/usn/USN-1169-1"
    },
    {
      "source": "security@ubuntu.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68560"
    },
    {
      "source": "security@ubuntu.com",
      "tags": [
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      "url": "https://launchpad.net/bugs/784473"
    },
    {
      "source": "security@ubuntu.com",
      "tags": [
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      "url": "https://launchpad.net/ubuntu/+archive/primary/+sourcepub/1817196/+listing-archive-extra"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
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    },
    {
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      ],
      "url": "http://www.securityfocus.com/bid/48671"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-1169-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68560"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://launchpad.net/bugs/784473"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://launchpad.net/ubuntu/+archive/primary/+sourcepub/1817196/+listing-archive-extra"
    }
  ],
  "sourceIdentifier": "security@ubuntu.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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