#VU13485 Same-origin policy bypass in Mozilla Firefox


Published: 2018-06-27

Vulnerability identifier: #VU13485

Vulnerability risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-12358

CWE-ID: CWE-601

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 same-origin policy on the target system.

The weakness exists due to open redirect. A remote attacker can use redirect the victim into malicious website, avoid the tainting of cross-origin resources in some instances and read responses which are supposed to be opaque.

Mitigation
Update to version 61.0.

Vulnerable software versions

Mozilla Firefox: 60.0 - 60.0.2


External links
http://www.mozilla.org/en-US/security/advisories/mfsa2018-15/


Q & A

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.


Latest bulletins with this vulnerability