mozilla/pdf.js · Security
PDF.js vulnerable to arbitrary JavaScript execution upon opening a malicious PDF
- GHSA ID
- GHSA-wgrm-67xf-hhpq
- CVE ID
- CVE-2024-4367
- Severity
- high
- Published
- Updated
- CVSS
- 8.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS v3
- 8.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
Impact
If pdf.js is used to load a malicious PDF, and PDF.js is configured with isEvalSupported set to true (which is the default value), unrestricted attacker-controlled JavaScript will be executed in the context of the hosting domain.
Patches
The patch removes the use of eval:
https://github.com/mozilla/pdf.js/pull/18015
Workarounds
Set the option isEvalSupported to false.
References
CWEs
- CWE-754 · Improper Check for Unusual or Exceptional Conditions
References
- https://github.com/mozilla/pdf.js/security/advisories/GHSA-wgrm-67xf-hhpq ↗
- https://github.com/mozilla/pdf.js/pull/18015 ↗
- https://github.com/mozilla/pdf.js/commit/85e64b5c16c9aaef738f421733c12911a441cec6 ↗
- https://bugzilla.mozilla.org/show_bug.cgi?id=1893645 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2024-4367 ↗
- https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html ↗
- https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html ↗
- https://www.mozilla.org/security/advisories/mfsa2024-21 ↗
- https://www.mozilla.org/security/advisories/mfsa2024-22 ↗
- https://www.mozilla.org/security/advisories/mfsa2024-23 ↗
- http://seclists.org/fulldisclosure/2024/Aug/30 ↗
- https://github.com/gogs/gogs/issues/7928 ↗
- https://codeanlabs.com/blog/research/cve-2024-4367-arbitrary-js-execution-in-pdf-js ↗
- https://github.com/mozilla/pdf.js/releases/tag/v4.2.67 ↗
- https://www.exploit-db.com/exploits/52273 ↗
- https://cert-portal.siemens.com/productcert/html/ssa-827383.html ↗
- https://github.com/advisories/GHSA-wgrm-67xf-hhpq ↗