Rapid7 Vulnerability & Exploit Database

MFSA2023-41 Firefox: Security Vulnerabilities fixed in Firefox 118 (CVE-2023-5173)

Free InsightVM Trial No Credit Card Necessary
2024 Attack Intel Report Latest research by Rapid7 Labs
Back to Search

MFSA2023-41 Firefox: Security Vulnerabilities fixed in Firefox 118 (CVE-2023-5173)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
09/26/2023
Created
09/28/2023
Added
09/27/2023
Modified
10/02/2023

Description

In a non-standard configuration of Firefox, an integer overflow could have occurred based on network traffic (possibly under influence of a local unprivileged webpage), leading to an out-of-bounds write to privileged process memory. *This bug only affects Firefox if a non-standard preference allowing non-HTTPS Alternate Services (`network.http.altsvc.oe`) is enabled.* This vulnerability affects Firefox < 118.

Solution(s)

  • mozilla-firefox-upgrade-118_0

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;