Vulnerability identifier: #VU9328
Vulnerability risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mozilla Firefox
Client/Desktop applications /
Web browsers
Vendor: Mozilla
Description
The vulnerability allows a remote attacker to bypass certain security restrictions.
If a document’s Referrer Policy attribute is set to "no-referrer" sometimes two network requests are made for <link>
elements instead of one. One of these requests includes the referrer instead of respecting the set policy to not include a referrer on requests.
Mitigation
Update to version Firefox 57.
Vulnerable software versions
Mozilla Firefox: 53.0 - 56.0.1
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2017-24/
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.