CVE-2016-0818 (GCVE-0-2016-0818)

Vulnerability from cvelistv5 – Published: 2016-03-12 21:00 – Updated: 2024-08-05 22:30
VLAI
Summary
The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830.
CWE
  • n/a
Date Public
2016-03-07 00:00
Show details on NVD website

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                    "criteria": "cpe:2.3:o:google:android:5.1.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B846C63A-7261-481E-B4A4-0D8C79E0D8A7",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B1D94CDD-DE7B-444E-A3AE-AE9C9A779374",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E70C6D8D-C9C3-4D92-8DFC-71F59E068295",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*",
                    "matchCriteriaId": "691FA41B-C2CE-413F-ABB1-0B22CB322807",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830."
          },
          {
            "lang": "es",
            "value": "La funcionalidad de almacenamiento en cach\u00e9 en la clase TrustManagerImpl en TrustManagerImpl.java en Conscrypt en Android 4.x en versiones anteriores a 4.4.4, 5.x en versiones anteriores a 5.1.1 LMY49H y 6.x en versiones anteriores a 2016-03-01 no maneja correctamente la distinci\u00f3n entre un CA intermedio y un CA root de confianza, lo que permite a atacantes man-in-the-middle suplantar servidores aprovechando el acceso a un CA intermedio para emitir un certificado, tambi\u00e9n conocida como error interno 26232830."
          }
        ],
        "id": "CVE-2016-0818",
        "lastModified": "2026-05-06T22:30:45.220",
        "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"
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
                "version": "3.0"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2016-03-12T21:59:02.807",
        "references": [
          {
            "source": "security@android.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://source.android.com/security/bulletin/2016-03-01.html"
          },
          {
            "source": "security@android.com",
            "url": "http://www.securityfocus.com/bid/84245"
          },
          {
            "source": "security@android.com",
            "url": "https://android.googlesource.com/platform/external/conscrypt/+/4c9f9c2201116acf790fca25af43995d29980ee0"
          },
          {
            "source": "security@android.com",
            "url": "https://android.googlesource.com/platform/external/conscrypt/+/c4ab1b959280413fb11bf4fd7f6b4c2ba38bd779"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://source.android.com/security/bulletin/2016-03-01.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/84245"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://android.googlesource.com/platform/external/conscrypt/+/4c9f9c2201116acf790fca25af43995d29980ee0"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://android.googlesource.com/platform/external/conscrypt/+/c4ab1b959280413fb11bf4fd7f6b4c2ba38bd779"
          }
        ],
        "sourceIdentifier": "security@android.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-254"
              },
              {
                "lang": "en",
                "value": "CWE-345"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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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.

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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.


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