Vulnerability Description
After downloading a Windows <code>.url</code> shortcut from the local filesystem, an attacker could supply a remote path that would lead to unexpected network requests from the operating system. This also had the potential to leak NTLM credentials to the resource.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 110.0 |
| Mozilla | Firefox Esr | < 102.8 |
| Mozilla | Thunderbird | < 102.8 |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1784451ExploitIssue TrackingVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1809923Issue TrackingPermissions Required
- https://bugzilla.mozilla.org/show_bug.cgi?id=1810143Issue TrackingPermissions Required
- https://bugzilla.mozilla.org/show_bug.cgi?id=1812338Issue TrackingPermissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-05/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-06/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-07/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1784451ExploitIssue TrackingVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1809923Issue TrackingPermissions Required
- https://bugzilla.mozilla.org/show_bug.cgi?id=1810143Issue TrackingPermissions Required
- https://bugzilla.mozilla.org/show_bug.cgi?id=1812338Issue TrackingPermissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-05/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-06/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-07/Vendor Advisory
FAQ
What is CVE-2023-25734?
CVE-2023-25734 is a vulnerability with a CVSS score of 8.1 (HIGH). After downloading a Windows <code>.url</code> shortcut from the local filesystem, an attacker could supply a remote path that would lead to unexpected network requests from the operating system. This ...
How severe is CVE-2023-25734?
CVE-2023-25734 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-25734?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Microsoft Windows.