Vulnerability identifier: #VU97917
Vulnerability risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/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
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 application does not properly impose security restrictions. A remote attacker can use a specially crafted multipart response to execute arbitrary JavaScript under the resource://pdf.js origin and access cross-origin PDF content.
Note, this access is limited to "same site" documents by the Site Isolation feature on desktop clients, however the full cross-origin access is possible on Android installations.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 100.0 - 130.0.1
Firefox for Android: 100.1.0 - 130.0.1
Firefox ESR: 128.0 - 128.2.0, 115.0 - 115.15.0, 102.0 - 102.15.1
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2024-46/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-47/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-48/
http://bugzilla.mozilla.org/show_bug.cgi?id=1918301
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.