Vulnerability-Lookup

ubuntu-cve-2016-3953

Vulnerability from osv_ubuntu

Published

2018-02-06 00:00

Modified

2025-07-16 04:51

Summary

Details

The sample web application in web2py before 2.14.2 might allow remote attackers to execute arbitrary code via vectors involving use of a hardcoded encryption key when calling the session.connect function.

Severity

9.8 (Critical)


                    
                      CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2016-3953	REPORT
	https://devco.re/blog/2017/01/03/web2py-unseriali…	REPORT
	https://github.com/web2py/web2py/blob/R-2.14.1/ap…	REPORT
	https://ubuntu.com/security/notices/USN-4030-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2016-3953	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "python-gluon",
            "binary_version": "2.12.3-1ubuntu0.1"
          },
          {
            "binary_name": "python-web2py",
            "binary_version": "2.12.3-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "web2py",
        "purl": "pkg:deb/ubuntu/web2py@2.12.3-1ubuntu0.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.12.3-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.99.7-1",
        "2.12.3-1"
      ]
    }
  ],
  "aliases": [],
  "details": "The sample web application in web2py before 2.14.2 might allow remote attackers to execute arbitrary code via vectors involving use of a hardcoded encryption key when calling the session.connect function.",
  "id": "UBUNTU-CVE-2016-3953",
  "modified": "2025-07-16T04:51:16Z",
  "published": "2018-02-06T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-3953"
    },
    {
      "type": "REPORT",
      "url": "https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/web2py/web2py/blob/R-2.14.1/applications/examples/models/session.py"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4030-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-3953"
    }
  ],
  "related": [
    "USN-4030-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2016-3953"
  ]
}

CVE-2016-3953 (GCVE-0-2016-3953)

Vulnerability from cvelistv5 – Published: 2018-02-06 18:00 – Updated: 2024-08-06 00:10

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

3 references

URL	Tags
https://devco.re/blog/2017/01/03/web2py-unseriali…	x_refsource_MISC
https://github.com/web2py/web2py/blob/R-2.14.1/ap…	x_refsource_MISC
https://usn.ubuntu.com/4030-1/	vendor-advisoryx_refsource_UBUNTU

Date Public

2016-03-25 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T00:10:31.906Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/web2py/web2py/blob/R-2.14.1/applications/examples/models/session.py"
          },
          {
            "name": "USN-4030-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4030-1/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-03-25T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The sample web application in web2py before 2.14.2 might allow remote attackers to execute arbitrary code via vectors involving use of a hardcoded encryption key when calling the session.connect function."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-06-21T21:06:03.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/web2py/web2py/blob/R-2.14.1/applications/examples/models/session.py"
        },
        {
          "name": "USN-4030-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4030-1/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-3953",
          "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 sample web application in web2py before 2.14.2 might allow remote attackers to execute arbitrary code via vectors involving use of a hardcoded encryption key when calling the session.connect function."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/",
              "refsource": "MISC",
              "url": "https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/"
            },
            {
              "name": "https://github.com/web2py/web2py/blob/R-2.14.1/applications/examples/models/session.py",
              "refsource": "MISC",
              "url": "https://github.com/web2py/web2py/blob/R-2.14.1/applications/examples/models/session.py"
            },
            {
              "name": "USN-4030-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4030-1/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2016-3953",
    "datePublished": "2018-02-06T18:00:00.000Z",
    "dateReserved": "2016-04-05T00:00:00.000Z",
    "dateUpdated": "2024-08-06T00:10:31.906Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

usn-4030-1

Vulnerability from osv_ubuntu

Published

2019-06-21 18:49

Modified

2026-02-10 04:41

Summary

web2py vulnerabilities

Details

It was discovered that web2py does not properly check denied hosts before verifying passwords. An attacker could possibly use this issue to perform brute-force attacks. (CVE-2016-10321)

It was discovered that web2py allows remote attackers to obtain environment variable values. An attacker could possibly use this issue to gain administrative access. (CVE-2016-3952)

It was discovered that web2py uses a hardcoded encryption key. An attacker could possibly use this issue to execute arbitrary code. (CVE-2016-3953, CVE-2016-3954, CVE-2016-3957)

References

URL

Type

	https://ubuntu.com/security/notices/USN-4030-1	ADVISORY
	https://ubuntu.com/security/CVE-2016-3952	REPORT
	https://ubuntu.com/security/CVE-2016-3953	REPORT
	https://ubuntu.com/security/CVE-2016-3954	REPORT
	https://ubuntu.com/security/CVE-2016-3957	REPORT
	https://ubuntu.com/security/CVE-2016-10321	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2016-3952",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2016-3953",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2016-3954",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2016-3957",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2016-10321",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "python-gluon",
            "binary_version": "2.12.3-1ubuntu0.1"
          },
          {
            "binary_name": "python-web2py",
            "binary_version": "2.12.3-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "web2py",
        "purl": "pkg:deb/ubuntu/web2py@2.12.3-1ubuntu0.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.12.3-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.99.7-1",
        "2.12.3-1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that web2py does not properly check denied hosts before \nverifying passwords. An attacker could possibly use this issue to perform\nbrute-force attacks. (CVE-2016-10321)\n\nIt was discovered that web2py allows remote attackers to obtain\nenvironment variable values. An attacker could possibly use this issue to\ngain administrative access. (CVE-2016-3952)\n\nIt was discovered that web2py uses a hardcoded encryption key. An\nattacker could possibly use this issue to execute arbitrary code.\n(CVE-2016-3953, CVE-2016-3954, CVE-2016-3957)\n",
  "id": "USN-4030-1",
  "modified": "2026-02-10T04:41:33Z",
  "published": "2019-06-21T18:49:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4030-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-3952"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-3953"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-3954"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-3957"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-10321"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "web2py vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2016-3952",
    "UBUNTU-CVE-2016-3953",
    "UBUNTU-CVE-2016-3954",
    "UBUNTU-CVE-2016-3957",
    "UBUNTU-CVE-2016-10321"
  ]
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

ubuntu-cve-2016-3953

Vulnerability from osv_ubuntu

CVE-2016-3953 (GCVE-0-2016-3953)

usn-4030-1

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature