Remote code execution in Mozilla Firefox
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-44488 CVE-2023-5217 |
| CWE-ID | CWE-122 |
| Exploitation vector | Network |
| Public exploit | This vulnerability is being exploited in the wild. |
| Vulnerable software |
Firefox Focus for Android Mobile applications / Apps for mobile phones Firefox for Android Mobile applications / Apps for mobile phones Firefox ESR Client/Desktop applications / Web browsers Mozilla Firefox Client/Desktop applications / Web browsers |
| Vendor | Mozilla |
Security Bulletin
This security bulletin contains one critical risk vulnerability.
1) Heap-based buffer overflow
EUVDB-ID: #VU81244
Risk: Critical
CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2023-44488,CVE-2023-5217
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in vp8 encoding in libvpx. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Note, the vulnerability is being actively exploited in the wild.
Install update from vendor's website.
Vulnerable software versionsFirefox Focus for Android: 108.2.0 - 119.0b2
Firefox ESR: 10.0 - 115.3.0
Mozilla Firefox: 100.0 - 118.0
Firefox for Android: 66.0.4 - 118.0
CPE2.3- cpe:2.3:a:mozilla:firefox_focus_for_android:108.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_focus_for_android:109.0b3:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_focus_for_android:109.0b4:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:102.15.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:115.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:mozilla_firefox:100.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:mozilla_firefox:100.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:mozilla_firefox:100.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_for_android:66.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_for_android:66.0.5:*:*:*:*:*:*:*
http://www.mozilla.org/en-US/security/advisories/mfsa2023-44/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to perform certain actions on the device.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.
