Vulnerability identifier: #VU69330
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mozilla Firefox
Client/Desktop applications /
Web browsers
Firefox for Android
Mobile applications /
Apps for mobile phones
Vendor: Mozilla
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insecure handling of downloaded files. When downloading an HTML file, if the title of the page is formatted as a filename with a malicious extension, Firefox will saved the file with that extension, leading to possible system compromise if the downloaded file is later executed.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 103.0 - 106.0.5
Firefox for Android: 103.1.0 - 106.1.0
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2022-47/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.