CVE-2023-25740 Information disclosure in Firefox
An attacker can trick Firefox on Windows into making remote requests via local SCF files, potentially leaking NTLM credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-25740?
CVE-2023-25740 is a high-severity vulnerability in Mozilla Firefox, published on 2 Jun 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
After downloading a Windows <code>.scf</code> script 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 for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 110.
Weakness: CWE-522
Which versions are affected by CVE-2023-25740?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2023-25740?
Upgrade to a fixed version.
Is CVE-2023-25740 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-25740 exists.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-g67q-47ww-68wp.