CVE-2024-5692: firefox — Exploit & Fix

Description

On Windows 10, when using the 'Save As' functionality, an attacker could have tricked the browser into saving the file with a disallowed extension such as `.url` by including an invalid character in the extension. *Note:* This issue only affected Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 115.12
mozilla	firefox	< 127.0
mozilla	thunderbird	< 115.12
microsoft	windows	All

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2024-25/ https://www.mozilla.org/security/advisories/mfsa2024-26/ https://www.mozilla.org/security/advisories/mfsa2024-28/ https://www.mozilla.org/security/advisories/mfsa2024-25/ https://www.mozilla.org/security/advisories/mfsa2024-26/ https://www.mozilla.org/security/advisories/mfsa2024-28/

Exploits

https://bugzilla.mozilla.org/show_bug.cgi?id=1891234 https://bugzilla.mozilla.org/show_bug.cgi?id=1891234

Frequently Asked Questions

What is CVE-2024-5692? +

On Windows 10, when using the 'Save As' functionality, an attacker could have tricked the browser into saving the file with a disallowed extension such as `.url` by including an invalid character in the extension. *Note:* This issue only affected Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2024-5692? +

CVE-2024-5692 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-5692? +

CVE-2024-5692 affects products from microsoft, mozilla, specifically: firefox, thunderbird, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-5692? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-5692