CVE-2024-4367

Description

A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

References

• https://packetstorm.news/files/id/227194/
• https://packetstorm.news/download/227194
• https://packetstorm.news/files/id/226738/
• https://packetstorm.news/download/226738
• https://packetstorm.news/files/id/227540/
• https://packetstorm.news/download/227540
• https://packetstorm.news/files/id/226349/
• https://packetstorm.news/download/226349
• https://packetstorm.news/files/id/226359/
• https://packetstorm.news/download/226359
• https://packetstorm.news/files/id/227162/
• https://packetstorm.news/download/227162
• https://github.com/DharmarajPS/pdfjs-cve-2024-4367-poc
• https://github.com/yuimamur/CVE-2024-4367-hands-on-01
• https://raw.githubusercontent.com/yuimamur/CVE-2024-4367-hands-on-01/main/eslint.config.mjs
• https://raw.githubusercontent.com/yuimamur/CVE-2024-4367-hands-on-01/main/firefox.py
• https://raw.githubusercontent.com/yuimamur/CVE-2024-4367-hands-on-01/main/pdfjs_diff_font_renderer.js
• https://github.com/yuimamur/CVE-2024-4367-hands-on
• https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-1831
• https://bugzilla.mozilla.org/show_bug.cgi?id=1893645
• https://www.mozilla.org/security/advisories/mfsa2024-21/
• https://www.mozilla.org/security/advisories/mfsa2024-22/
• https://www.mozilla.org/security/advisories/mfsa2024-23/
• https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
• https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html