gsd-2021-29480
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Ratpack is a toolkit for creating web applications. In versions prior to 1.9.0, the client side session module uses the application startup time as the signing key by default. This means that if an attacker can determine this time, and if encryption is not also used (which is recommended, but is not on by default), the session data could be tampered with by someone with the ability to write cookies. The default configuration is unsuitable for production use as an application restart renders all sessions invalid and is not multi-host compatible, but its use is not actively prevented. As of Ratpack 1.9.0, the default value is a securely randomly generated value, generated at application startup time. As a workaround, supply an alternative signing key, as per the documentation's recommendation.
Aliases
Aliases
CVE-2021-29480


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-29480",
    "description": "Ratpack is a toolkit for creating web applications. In versions prior to 1.9.0, the client side session module uses the application startup time as the signing key by default. This means that if an attacker can determine this time, and if encryption is not also used (which is recommended, but is not on by default), the session data could be tampered with by someone with the ability to write cookies. The default configuration is unsuitable for production use as an application restart renders all sessions invalid and is not multi-host compatible, but its use is not actively prevented. As of Ratpack 1.9.0, the default value is a securely randomly generated value, generated at application startup time. As a workaround, supply an alternative signing key, as per the documentation\u0027s recommendation.",
    "id": "GSD-2021-29480"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-29480"
      ],
      "details": "Ratpack is a toolkit for creating web applications. In versions prior to 1.9.0, the client side session module uses the application startup time as the signing key by default. This means that if an attacker can determine this time, and if encryption is not also used (which is recommended, but is not on by default), the session data could be tampered with by someone with the ability to write cookies. The default configuration is unsuitable for production use as an application restart renders all sessions invalid and is not multi-host compatible, but its use is not actively prevented. As of Ratpack 1.9.0, the default value is a securely randomly generated value, generated at application startup time. As a workaround, supply an alternative signing key, as per the documentation\u0027s recommendation.",
      "id": "GSD-2021-29480",
      "modified": "2023-12-13T01:23:36.260035Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-29480",
        "STATE": "PUBLIC",
        "TITLE": "Default client side session signing key is highly predictable"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "ratpack",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003c 1.9.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "ratpack"
            }
          ]
        }
      },
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      "description": {
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          {
            "lang": "eng",
            "value": "Ratpack is a toolkit for creating web applications. In versions prior to 1.9.0, the client side session module uses the application startup time as the signing key by default. This means that if an attacker can determine this time, and if encryption is not also used (which is recommended, but is not on by default), the session data could be tampered with by someone with the ability to write cookies. The default configuration is unsuitable for production use as an application restart renders all sessions invalid and is not multi-host compatible, but its use is not actively prevented. As of Ratpack 1.9.0, the default value is a securely randomly generated value, generated at application startup time. As a workaround, supply an alternative signing key, as per the documentation\u0027s recommendation."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-340: Generation of Predictable Numbers or Identifiers"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/ratpack/ratpack/security/advisories/GHSA-2cc5-23r7-vc4v",
            "refsource": "CONFIRM",
            "url": "https://github.com/ratpack/ratpack/security/advisories/GHSA-2cc5-23r7-vc4v"
          },
          {
            "name": "https://github.com/ratpack/ratpack/blob/29434f7ac6fd4b36a4495429b70f4c8163100332/ratpack-session/src/main/java/ratpack/session/clientside/ClientSideSessionConfig.java#L29",
            "refsource": "MISC",
            "url": "https://github.com/ratpack/ratpack/blob/29434f7ac6fd4b36a4495429b70f4c8163100332/ratpack-session/src/main/java/ratpack/session/clientside/ClientSideSessionConfig.java#L29"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-2cc5-23r7-vc4v",
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "(,1.9.0)",
          "affected_versions": "All versions before 1.9.0",
          "cvss_v2": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-330",
            "CWE-937"
          ],
          "date": "2022-08-02",
          "description": "Ratpack is a toolkit for creating web applications., the client side session module uses the application startup time as the signing key by default. This means that if an attacker can determine this time, and if encryption is not also used (which is recommended, but is not on by default), the session data could be tampered with by someone with the ability to write cookies. The default configuration is unsuitable for production use as an application restart renders all sessions invalid and is not multi-host compatible, but its use is not actively prevented. As of Ratpack, the default value is a securely randomly generated value, generated at application startup time. As a workaround, supply an alternative signing key, as per the documentation\u0027s recommendation.",
          "fixed_versions": [
            "1.9.0"
          ],
          "identifier": "CVE-2021-29480",
          "identifiers": [
            "CVE-2021-29480",
            "GHSA-2cc5-23r7-vc4v"
          ],
          "not_impacted": "All versions starting from 1.9.0",
          "package_slug": "maven/io.ratpack/ratpack-core",
          "pubdate": "2021-06-29",
          "solution": "Upgrade to version 1.9.0 or above.",
          "title": "Use of Insufficiently Random Values",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-29480"
          ],
          "uuid": "c2de20e1-9cc7-4dd0-8f94-fd370babd69d"
        },
        {
          "affected_range": "(,1.9.0)",
          "affected_versions": "All versions before 1.9.0",
          "cvss_v2": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-330",
            "CWE-937"
          ],
          "date": "2021-07-08",
          "description": "Ratpack is a toolkit for creating web applications. In versions prior to 1.9.0, the client side session module uses the application startup time as the signing key by default. This means that if an attacker can determine this time, and if encryption is not also used (which is recommended, but is not on by default), the session data could be tampered with by someone with the ability to write cookies. The default configuration is unsuitable for production use as an application restart renders all sessions invalid and is not multi-host compatible, but its use is not actively prevented. As of Ratpack 1.9.0, the default value is a securely randomly generated value, generated at application startup time. As a workaround, supply an alternative signing key, as per the documentation\u0027s recommendation.",
          "fixed_versions": [
            "1.9.0"
          ],
          "identifier": "CVE-2021-29480",
          "identifiers": [
            "GHSA-2cc5-23r7-vc4v",
            "CVE-2021-29480"
          ],
          "not_impacted": "All versions starting from 1.9.0",
          "package_slug": "maven/io.ratpack/ratpack-session",
          "pubdate": "2021-07-01",
          "solution": "Upgrade to version 1.9.0 or above.",
          "title": "Use of Insufficiently Random Values",
          "urls": [
            "https://github.com/ratpack/ratpack/security/advisories/GHSA-2cc5-23r7-vc4v",
            "https://nvd.nist.gov/vuln/detail/CVE-2021-29480",
            "https://github.com/ratpack/ratpack/blob/29434f7ac6fd4b36a4495429b70f4c8163100332/ratpack-session/src/main/java/ratpack/session/clientside/ClientSideSessionConfig.java#L29",
            "https://github.com/advisories/GHSA-2cc5-23r7-vc4v"
          ],
          "uuid": "f24b8cc8-98ff-4f3b-b270-9e5a63577940"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:ratpack_project:ratpack:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.9.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2021-29480"
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        "data_format": "MITRE",
        "data_type": "CVE",
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        "description": {
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              "lang": "en",
              "value": "Ratpack is a toolkit for creating web applications. In versions prior to 1.9.0, the client side session module uses the application startup time as the signing key by default. This means that if an attacker can determine this time, and if encryption is not also used (which is recommended, but is not on by default), the session data could be tampered with by someone with the ability to write cookies. The default configuration is unsuitable for production use as an application restart renders all sessions invalid and is not multi-host compatible, but its use is not actively prevented. As of Ratpack 1.9.0, the default value is a securely randomly generated value, generated at application startup time. As a workaround, supply an alternative signing key, as per the documentation\u0027s recommendation."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-330"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/ratpack/ratpack/blob/29434f7ac6fd4b36a4495429b70f4c8163100332/ratpack-session/src/main/java/ratpack/session/clientside/ClientSideSessionConfig.java#L29",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://github.com/ratpack/ratpack/blob/29434f7ac6fd4b36a4495429b70f4c8163100332/ratpack-session/src/main/java/ratpack/session/clientside/ClientSideSessionConfig.java#L29"
            },
            {
              "name": "https://github.com/ratpack/ratpack/security/advisories/GHSA-2cc5-23r7-vc4v",
              "refsource": "CONFIRM",
              "tags": [
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              ],
              "url": "https://github.com/ratpack/ratpack/security/advisories/GHSA-2cc5-23r7-vc4v"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 3.5,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 6.8,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.1,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2022-08-02T16:00Z",
      "publishedDate": "2021-06-29T19:15Z"
    }
  }
}


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