CVE-2023-23597 Logic bug in process allocation allowed to read arbitrary files
A compromised web child process can bypass security restrictions to spawn a file-context process, enabling arbitrary file reads in Firefox.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-23597?
CVE-2023-23597 is a medium-severity vulnerability in Mozilla Firefox, published on 2 Jun 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A compromised web child process could disable web security opening restrictions, leading to a new child process being spawned within the `file://` context. Given a reliable exploit primitive, this new process could be exploited again leading to arbitrary file read. This vulnerability affects Firefox < 109.
Weakness: CWE-326
Which versions are affected by CVE-2023-23597?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2023-23597?
Upgrade to a fixed version.
Is CVE-2023-23597 being exploited?
There is no known exploitation of CVE-2023-23597 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-5gvm-v5f4-x692, UBUNTU-CVE-2023-23597.