diff --git a/advisories/github-reviewed/2025/01/GHSA-hwcp-2h35-p66w/GHSA-hwcp-2h35-p66w.json b/advisories/github-reviewed/2025/01/GHSA-hwcp-2h35-p66w/GHSA-hwcp-2h35-p66w.json new file mode 100644 index 00000000000..5768de27dd3 --- /dev/null +++ b/advisories/github-reviewed/2025/01/GHSA-hwcp-2h35-p66w/GHSA-hwcp-2h35-p66w.json @@ -0,0 +1,127 @@ +{ + "schema_version": "1.4.0", + "id": "GHSA-hwcp-2h35-p66w", + "modified": "2025-01-03T17:28:50Z", + "published": "2025-01-03T17:28:50Z", + "aliases": [ + "CVE-2024-56411" + ], + "summary": "PhpSpreadsheet has a Cross-Site Scripting (XSS) vulnerability of the hyperlink base in the HTML page header", + "details": "# Cross-Site Scripting (XSS) vulnerability of the hyperlink base in the HTML page header\n\n**Product**: Phpspreadsheet\n**Version**: version 3.6.0\n**CWE-ID**: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\n**CVSS vector v.3.1**: 5.4 (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)\n**CVSS vector v.4.0**: 4.8 (AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N)\n**Description**: the HTML page is formed without sanitizing the hyperlink base\n**Impact**: executing arbitrary JavaScript code in the browser\n**Vulnerable component**: class `PhpOffice\\PhpSpreadsheet\\Writer\\Html`, method `generateHTMLHeader`\n**Exploitation conditions**: a user viewing a specially generated Excel file\n**Mitigation**: additional sanitization of special characters in a string\n**Researcher**: Aleksey Solovev (Positive Technologies)\n\n# Research\n\nThe researcher discovered zero-day vulnerability Cross-Site Scripting (XSS) vulnerability of the hyperlink base in the HTML page header in Phpspreadsheet.\nThe following code is written on the server, which translates the XLSX file into a HTML representation and displays it in the response.\n\n*Listing 8. Source code on the server*\n\n```\ngenerateHTMLAll());\n```\n\nAn attacker can embed a payload in a file property that will result in the execution of arbitrary JavaScript code.\nThe Excel file is unpacked and a HyperlinkBase in the file is inserted into the `docProps/app.xml` file.\n\n![fig14](https://github.com/user-attachments/assets/f68ef7fc-e78e-4424-8753-4318b6ff51c3)\n\n*Figure 14. Embedding the payload* \n\nAfter the changes were made, a new archive with the xlsx extension was created. At the moment of converting the xlsx file into the HTML representation, a property is obtained that participates in the formation of a string without sanitization.\n\n![fig15](https://github.com/user-attachments/assets/0aa7398c-ddd9-4c5a-ab04-41af0236dcba)\n\n*Figure 15. Generating the HTML page header using the HyperlinkBase property* \n\nAfter generating and displaying the HTML representation of the XLSX file, arbitrary JavaScript code will be executed.\n\"fig16\"\n\n*Figure 16. Executing arbitrary JavaScript code* \n\n# Credit\nThis vulnerability was discovered by **Aleksey Solovev (Positive Technologies)**", + "severity": [ + { + "type": "CVSS_V4", + "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N" + } + ], + "affected": [ + { + "package": { + "ecosystem": "Packagist", + "name": "phpoffice/phpspreadsheet" + }, + "ranges": [ + { + "type": "ECOSYSTEM", + "events": [ + { + "introduced": "3.0.0" + }, + { + "fixed": "3.7.0" + } + ] + } + ] + }, + { + "package": { + "ecosystem": "Packagist", + "name": "phpoffice/phpspreadsheet" + }, + "ranges": [ + { + "type": "ECOSYSTEM", + "events": [ + { + "introduced": "0" + }, + { + "fixed": "1.29.7" + } + ] + } + ], + "database_specific": { + "last_known_affected_version_range": "<= 1.29.6" + } + }, + { + "package": { + "ecosystem": "Packagist", + "name": "phpoffice/phpspreadsheet" + }, + "ranges": [ + { + "type": "ECOSYSTEM", + "events": [ + { + "introduced": "2.0.0" + }, + { + "fixed": "2.1.6" + } + ] + } + ], + "database_specific": { + "last_known_affected_version_range": "<= 2.1.5" + } + }, + { + "package": { + "ecosystem": "Packagist", + "name": "phpoffice/phpspreadsheet" + }, + "ranges": [ + { + "type": "ECOSYSTEM", + "events": [ + { + "introduced": "2.2.0" + }, + { + "fixed": "2.3.5" + } + ] + } + ], + "database_specific": { + "last_known_affected_version_range": "<= 2.3.4" + } + } + ], + "references": [ + { + "type": "WEB", + "url": "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-hwcp-2h35-p66w" + }, + { + "type": "WEB", + "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/45052f88e04c735d56457a8ffcdc40b2635a028e" + }, + { + "type": "PACKAGE", + "url": "https://github.com/PHPOffice/PhpSpreadsheet" + } + ], + "database_specific": { + "cwe_ids": [ + "CWE-79" + ], + "severity": "MODERATE", + "github_reviewed": true, + "github_reviewed_at": "2025-01-03T17:28:50Z", + "nvd_published_at": null + } +} \ No newline at end of file diff --git a/advisories/github-reviewed/2025/01/GHSA-q9jv-mm3r-j47r/GHSA-q9jv-mm3r-j47r.json b/advisories/github-reviewed/2025/01/GHSA-q9jv-mm3r-j47r/GHSA-q9jv-mm3r-j47r.json new file mode 100644 index 00000000000..7512ff51cbd --- /dev/null +++ b/advisories/github-reviewed/2025/01/GHSA-q9jv-mm3r-j47r/GHSA-q9jv-mm3r-j47r.json @@ -0,0 +1,131 @@ +{ + "schema_version": "1.4.0", + "id": "GHSA-q9jv-mm3r-j47r", + "modified": "2025-01-03T17:29:10Z", + "published": "2025-01-03T17:29:10Z", + "aliases": [ + "CVE-2024-56412" + ], + "summary": "PhpSpreadsheet allows bypass XSS sanitizer using the javascript protocol and special characters", + "details": "# Bypass XSS sanitizer using the javascript protocol and special characters\n\n**Product**: Phpspreadsheet\n**Version**: version 3.6.0\n**CWE-ID**: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\n**CVSS vector v.3.1**: 5.4 (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)\n**CVSS vector v.4.0**: 4.8 (AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N)\n**Description**: an attacker can use special characters, so that the library processes the javascript protocol with special characters and generates an HTML link\n**Impact**: executing arbitrary JavaScript code in the browser\n**Vulnerable component**: class `PhpOffice\\PhpSpreadsheet\\Writer\\Html`, method `generateRow`\n**Exploitation conditions**: a user viewing a specially generated Excel file\n**Mitigation**: additional sanitization of special characters in a string\n**Researcher**: Aleksey Solovev (Positive Technologies)\n\n# Research\n\nThe researcher discovered zero-day vulnerability Bypass XSS sanitizer using the javascript protocol and special characters in Phpspreadsheet.\n\nThe following code is written on the server, which translates the XLSX file into a HTML representation and displays it in the response.\n\n*Listing 6. Source code on the server*\n\n```\ngenerateHTMLAll());\n```\n\nAn attacker can use special characters so that this library processes the javascript protocol with special characters and generates a HTML link.\nThe Excel file is unpacked and a hyperlink in the file is inserted into the `xl/worksheets/sheet1.xml` file.\n\n![fig11](https://github.com/user-attachments/assets/b9d53f7a-6f36-4853-95f9-8aa22f81eccd)\n\n*Figure 11. Using the javascript protocol with special characters*\n\nSome payloads help bypass the security system and carry out a XSS attack.\n\n*Listing 7. HTML form that demonstrates the exploitation of the XSS vulnerability*\n\n```\njav ascript:alert()\njav ascript:alert()\njav ascript:alert()\n```\n\nIt's clear that the javascript protocol with special characters is used. \n\n![fig12](https://github.com/user-attachments/assets/7595e88b-9848-4251-845c-2c2d8032e479)\n\n*Figure 12. Using the javascript protocol with special characters*\n\nDue to the special characters, the execution stream ends up on line 1543, and the link is built in HTML form with the javascript protocol.\n\n\"fig13\"\n\n*Figure 13. Executing arbitrary JavaScript code*\n\n# Credit\nThis vulnerability was discovered by **Aleksey Solovev (Positive Technologies)**", + "severity": [ + { + "type": "CVSS_V3", + "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N" + }, + { + "type": "CVSS_V4", + "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N" + } + ], + "affected": [ + { + "package": { + "ecosystem": "Packagist", + "name": "phpoffice/phpspreadsheet" + }, + "ranges": [ + { + "type": "ECOSYSTEM", + "events": [ + { + "introduced": "3.0.0" + }, + { + "fixed": "3.7.0" + } + ] + } + ] + }, + { + "package": { + "ecosystem": "Packagist", + "name": "phpoffice/phpspreadsheet" + }, + "ranges": [ + { + "type": "ECOSYSTEM", + "events": [ + { + "introduced": "0" + }, + { + "fixed": "1.29.7" + } + ] + } + ], + "database_specific": { + "last_known_affected_version_range": "<= 1.29.6" + } + }, + { + "package": { + "ecosystem": "Packagist", + "name": "phpoffice/phpspreadsheet" + }, + "ranges": [ + { + "type": "ECOSYSTEM", + "events": [ + { + "introduced": "2.0.0" + }, + { + "fixed": "2.1.6" + } + ] + } + ], + "database_specific": { + "last_known_affected_version_range": "<= 2.1.5" + } + }, + { + "package": { + "ecosystem": "Packagist", + "name": "phpoffice/phpspreadsheet" + }, + "ranges": [ + { + "type": "ECOSYSTEM", + "events": [ + { + "introduced": "2.2.0" + }, + { + "fixed": "2.3.5" + } + ] + } + ], + "database_specific": { + "last_known_affected_version_range": "<= 2.3.4" + } + } + ], + "references": [ + { + "type": "WEB", + "url": "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-q9jv-mm3r-j47r" + }, + { + "type": "WEB", + "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/45052f88e04c735d56457a8ffcdc40b2635a028e" + }, + { + "type": "PACKAGE", + "url": "https://github.com/PHPOffice/PhpSpreadsheet" + } + ], + "database_specific": { + "cwe_ids": [ + "CWE-79" + ], + "severity": "MODERATE", + "github_reviewed": true, + "github_reviewed_at": "2025-01-03T17:29:10Z", + "nvd_published_at": null + } +} \ No newline at end of file