GSD-2020-13756

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
Sabberworm PHP CSS Parser before 8.3.1 calls eval on uncontrolled data, possibly leading to remote code execution if the function allSelectors() or getSelectorsBySpecificity() is called with input from an attacker.
Aliases
Aliases
CVE-2020-13756
To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-13756",
    "description": "Sabberworm PHP CSS Parser before 8.3.1 calls eval on uncontrolled data, possibly leading to remote code execution if the function allSelectors() or getSelectorsBySpecificity() is called with input from an attacker.",
    "id": "GSD-2020-13756",
    "references": [
      "https://packetstormsecurity.com/files/cve/CVE-2020-13756"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-13756"
      ],
      "details": "Sabberworm PHP CSS Parser before 8.3.1 calls eval on uncontrolled data, possibly leading to remote code execution if the function allSelectors() or getSelectorsBySpecificity() is called with input from an attacker.",
      "id": "GSD-2020-13756",
      "modified": "2023-12-13T01:21:47.372604Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-13756",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
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      "references": {
        "reference_data": [
          {
            "name": "https://github.com/sabberworm/PHP-CSS-Parser/commit/2ebf59e8bfbf6cfc1653a5f0ed743b95062c62a4",
            "refsource": "MISC",
            "url": "https://github.com/sabberworm/PHP-CSS-Parser/commit/2ebf59e8bfbf6cfc1653a5f0ed743b95062c62a4"
          },
          {
            "name": "https://github.com/sabberworm/PHP-CSS-Parser/releases/tag/8.3.1",
            "refsource": "MISC",
            "url": "https://github.com/sabberworm/PHP-CSS-Parser/releases/tag/8.3.1"
          },
          {
            "name": "http://seclists.org/fulldisclosure/2020/Jun/7",
            "refsource": "MISC",
            "url": "http://seclists.org/fulldisclosure/2020/Jun/7"
          },
          {
            "name": "http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html",
            "refsource": "MISC",
            "url": "http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c8.3.1",
          "affected_versions": "All versions before 8.3.1",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-20",
            "CWE-937"
          ],
          "date": "2021-07-21",
          "description": "Sabberworm PHP CSS Parser calls `eval` on uncontrolled data, possibly leading to remote code execution if the function `allSelectors()` or `getSelectorsBySpecificity()` is called with input from an attacker.",
          "fixed_versions": [
            "8.3.1"
          ],
          "identifier": "CVE-2020-13756",
          "identifiers": [
            "CVE-2020-13756"
          ],
          "not_impacted": "All versions starting from 8.3.1",
          "package_slug": "packagist/sabberworm/php-css-parser",
          "pubdate": "2020-06-03",
          "solution": "Upgrade to version 8.3.1 or above.",
          "title": "Improper Input Validation",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-13756",
            "http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html"
          ],
          "uuid": "ebdb3f23-d018-4f1d-b230-9b7b2fbd5f63"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
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            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:sabberworm:php_css_parser:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "8.3.1",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ID": "CVE-2020-13756"
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        "description": {
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              "value": "Sabberworm PHP CSS Parser before 8.3.1 calls eval on uncontrolled data, possibly leading to remote code execution if the function allSelectors() or getSelectorsBySpecificity() is called with input from an attacker."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-94"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/sabberworm/PHP-CSS-Parser/commit/2ebf59e8bfbf6cfc1653a5f0ed743b95062c62a4",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/sabberworm/PHP-CSS-Parser/commit/2ebf59e8bfbf6cfc1653a5f0ed743b95062c62a4"
            },
            {
              "name": "http://seclists.org/fulldisclosure/2020/Jun/7",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://seclists.org/fulldisclosure/2020/Jun/7"
            },
            {
              "name": "https://github.com/sabberworm/PHP-CSS-Parser/releases/tag/8.3.1",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Third Party Advisory"
              ],
              "url": "https://github.com/sabberworm/PHP-CSS-Parser/releases/tag/8.3.1"
            },
            {
              "name": "http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2021-07-21T11:39Z",
      "publishedDate": "2020-06-03T14:15Z"
    }
  }
}


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