Vulnerability identifier: #VU81132
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-787
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mozilla Firefox
Client/Desktop applications /
Web browsers
Firefox for Android
Mobile applications /
Apps for mobile phones
Vendor: Mozilla
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can trick the victim to open a specially crafted HTML file to trigger an out-of-bounds write and execute arbitrary code on the target system.
The vulnerability affects Firefox if a non-standard preference allowing non-HTTPS Alternate Services (network.http.altsvc.oe) is enabled.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 116.0 - 117.0.1
Firefox for Android: 116.0 - 117.1.0
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2023-41/
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.