Vulnerability identifier: #VU78845
Vulnerability risk: Medium
CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-346
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mozilla Firefox
Client/Desktop applications /
Web browsers
Firefox ESR
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 improper tracking of cross-origin tainting in Offscreen Canvas. A remote attacker can violation the same-origin policy and access image data from another website.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 100.0 - 115.0.3
Firefox for Android: 100.1.0 - 115.2.1
Firefox ESR: 115.0 - 115.0.3, 102.0 - 102.13.0
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2023-29/
http://www.mozilla.org/en-US/security/advisories/mfsa2023-30/
http://www.mozilla.org/en-US/security/advisories/mfsa2023-31/
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.