Vulnerability identifier: #VU18036
Vulnerability risk: Low
CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
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 gain unauthorized access to sensitive information.
The vulnerability exists due to incorrect implementation of the cross-origin policy when reading images using createImageBitmap
. A remote attacker can trick the victim into visiting a specially crafted web page and gain access to images opened in other browser tabs.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 61.0 - 65.0.2
External links
https://www.mozilla.org/en-US/security/advisories/mfsa2019-07/
https://bugzilla.mozilla.org/show_bug.cgi?id=1528909
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.