gsd-2023-34448
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Grav is a flat-file content management system. Prior to version 1.7.42, the patch for CVE-2022-2073, a server-side template injection vulnerability in Grav leveraging the default `filter()` function, did not block other built-in functions exposed by Twig's Core Extension that could be used to invoke arbitrary unsafe functions, thereby allowing for remote code execution. A patch in version 1.74.2 overrides the built-in Twig `map()` and `reduce()` filter functions in `system/src/Grav/Common/Twig/Extension/GravExtension.php` to validate the argument passed to the filter in `$arrow`.
Aliases
Aliases
CVE-2023-34448


To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-34448",
    "id": "GSD-2023-34448"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-34448"
      ],
      "details": "Grav is a flat-file content management system. Prior to version 1.7.42, the patch for CVE-2022-2073, a server-side template injection vulnerability in Grav leveraging the default `filter()` function, did not block other built-in functions exposed by Twig\u0027s Core Extension that could be used to invoke arbitrary unsafe functions, thereby allowing for remote code execution. A patch in version 1.74.2 overrides the built-in Twig `map()` and `reduce()` filter functions in `system/src/Grav/Common/Twig/Extension/GravExtension.php` to validate the argument passed to the filter in `$arrow`.",
      "id": "GSD-2023-34448",
      "modified": "2023-12-13T01:20:30.995560Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2023-34448",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "grav",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "\u003c 1.7.42"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "getgrav"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Grav is a flat-file content management system. Prior to version 1.7.42, the patch for CVE-2022-2073, a server-side template injection vulnerability in Grav leveraging the default `filter()` function, did not block other built-in functions exposed by Twig\u0027s Core Extension that could be used to invoke arbitrary unsafe functions, thereby allowing for remote code execution. A patch in version 1.74.2 overrides the built-in Twig `map()` and `reduce()` filter functions in `system/src/Grav/Common/Twig/Extension/GravExtension.php` to validate the argument passed to the filter in `$arrow`."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-20",
                "lang": "eng",
                "value": "CWE-20: Improper Input Validation"
              }
            ]
          },
          {
            "description": [
              {
                "cweId": "CWE-1336",
                "lang": "eng",
                "value": "CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/getgrav/grav/security/advisories/GHSA-whr7-m3f8-mpm8",
            "refsource": "MISC",
            "url": "https://github.com/getgrav/grav/security/advisories/GHSA-whr7-m3f8-mpm8"
          },
          {
            "name": "https://github.com/getgrav/grav/commit/8c2c1cb72611a399f13423fc6d0e1d998c03e5c8",
            "refsource": "MISC",
            "url": "https://github.com/getgrav/grav/commit/8c2c1cb72611a399f13423fc6d0e1d998c03e5c8"
          },
          {
            "name": "https://github.com/twigphp/Twig/blob/v1.44.7/src/Environment.php#L148",
            "refsource": "MISC",
            "url": "https://github.com/twigphp/Twig/blob/v1.44.7/src/Environment.php#L148"
          },
          {
            "name": "https://huntr.dev/bounties/3ef640e6-9e25-4ecb-8ec1-64311d63fe66/",
            "refsource": "MISC",
            "url": "https://huntr.dev/bounties/3ef640e6-9e25-4ecb-8ec1-64311d63fe66/"
          },
          {
            "name": "https://www.github.com/getgrav/grav/commit/9d6a2dba09fd4e56f5cdfb9a399caea355bfeb83",
            "refsource": "MISC",
            "url": "https://www.github.com/getgrav/grav/commit/9d6a2dba09fd4e56f5cdfb9a399caea355bfeb83"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-whr7-m3f8-mpm8",
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c1.7.42",
          "affected_versions": "All versions before 1.7.42",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-78",
            "CWE-937",
            "CWE-94"
          ],
          "date": "2023-06-16",
          "description": "Grav is a flat-file content management system. Prior to version 1.7.42, the patch for CVE-2022-2073, a server-side template injection vulnerability in Grav leveraging the default `filter()` function, does not block other built-in functions exposed by Twig\u0027s Core Extension that could be used to invoke arbitrary unsafe functions, thereby allowing for remote code execution. A patch in version 1.74.2 overrides the built-in Twig `map()` and `reduce()` filter functions in `system/src/Grav/Common/Twig/Extension/GravExtension.php` to validate the argument passed to the filter in `$arrow`.",
          "fixed_versions": [
            "1.7.42"
          ],
          "identifier": "CVE-2023-34448",
          "identifiers": [
            "GHSA-whr7-m3f8-mpm8",
            "CVE-2023-34448"
          ],
          "not_impacted": "All versions starting from 1.7.42",
          "package_slug": "packagist/getgrav/grav",
          "pubdate": "2023-06-16",
          "solution": "Upgrade to version 1.7.42 or above.",
          "title": "Improper Control of Generation of Code (\u0027Code Injection\u0027)",
          "urls": [
            "https://github.com/getgrav/grav/security/advisories/GHSA-whr7-m3f8-mpm8",
            "https://nvd.nist.gov/vuln/detail/CVE-2023-34448",
            "https://github.com/getgrav/grav/commit/244758d4383034fe4cd292d41e477177870b65ec",
            "https://github.com/getgrav/grav/commit/71bbed12f950de8335006d7f91112263d8504f1b",
            "https://github.com/getgrav/grav/commit/8c2c1cb72611a399f13423fc6d0e1d998c03e5c8",
            "https://github.com/getgrav/grav/commit/9d01140a63c77075ef09b26ef57cf186138151a5",
            "https://github.com/twigphp/Twig/blob/v1.44.7/src/Environment.php#L148",
            "https://huntr.dev/bounties/3ef640e6-9e25-4ecb-8ec1-64311d63fe66/",
            "https://www.github.com/getgrav/grav/commit/9d6a2dba09fd4e56f5cdfb9a399caea355bfeb83",
            "https://github.com/advisories/GHSA-whr7-m3f8-mpm8"
          ],
          "uuid": "db925c4a-3da4-4441-90d9-ad3727692b6e"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:getgrav:grav:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.7.42",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2023-34448"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Grav is a flat-file content management system. Prior to version 1.7.42, the patch for CVE-2022-2073, a server-side template injection vulnerability in Grav leveraging the default `filter()` function, did not block other built-in functions exposed by Twig\u0027s Core Extension that could be used to invoke arbitrary unsafe functions, thereby allowing for remote code execution. A patch in version 1.74.2 overrides the built-in Twig `map()` and `reduce()` filter functions in `system/src/Grav/Common/Twig/Extension/GravExtension.php` to validate the argument passed to the filter in `$arrow`."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-94"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/twigphp/Twig/blob/v1.44.7/src/Environment.php#L148",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://github.com/twigphp/Twig/blob/v1.44.7/src/Environment.php#L148"
            },
            {
              "name": "https://github.com/getgrav/grav/security/advisories/GHSA-whr7-m3f8-mpm8",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://github.com/getgrav/grav/security/advisories/GHSA-whr7-m3f8-mpm8"
            },
            {
              "name": "https://www.github.com/getgrav/grav/commit/9d6a2dba09fd4e56f5cdfb9a399caea355bfeb83",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Mitigation",
                "Vendor Advisory"
              ],
              "url": "https://www.github.com/getgrav/grav/commit/9d6a2dba09fd4e56f5cdfb9a399caea355bfeb83"
            },
            {
              "name": "https://github.com/getgrav/grav/commit/8c2c1cb72611a399f13423fc6d0e1d998c03e5c8",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://github.com/getgrav/grav/commit/8c2c1cb72611a399f13423fc6d0e1d998c03e5c8"
            },
            {
              "name": "https://huntr.dev/bounties/3ef640e6-9e25-4ecb-8ec1-64311d63fe66/",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://huntr.dev/bounties/3ef640e6-9e25-4ecb-8ec1-64311d63fe66/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.2,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-06-22T16:31Z",
      "publishedDate": "2023-06-14T23:15Z"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.