CVE-2023-25734

Summary

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.

Affected Software

Weaknesses

• Opening local .url files could cause unexpected network loads

ADP Enrichment

CVE Program Container

Additional References

• https://www.mozilla.org/security/advisories/mfsa2023-06/
• https://www.mozilla.org/security/advisories/mfsa2023-05/
• https://www.mozilla.org/security/advisories/mfsa2023-07/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1809923
• https://bugzilla.mozilla.org/show_bug.cgi?id=1784451
• https://bugzilla.mozilla.org/show_bug.cgi?id=1810143
• https://bugzilla.mozilla.org/show_bug.cgi?id=1812338

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

References

• https://www.mozilla.org/security/advisories/mfsa2023-06/
• https://www.mozilla.org/security/advisories/mfsa2023-05/
• https://www.mozilla.org/security/advisories/mfsa2023-07/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1809923
• https://bugzilla.mozilla.org/show_bug.cgi?id=1784451
• https://bugzilla.mozilla.org/show_bug.cgi?id=1810143
• https://bugzilla.mozilla.org/show_bug.cgi?id=1812338

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