CVE-2024-39906 Remote code execution in Haven IndieAuthClient (GHSL-2024-093)
An attacker can execute arbitrary commands by tricking a logged-in administrator into clicking a crafted link in the Haven blog application.
- 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
- None listed
What is CVE-2024-39906?
CVE-2024-39906 is a high-severity command injection vulnerability in havenweb haven, published on 19 Jul 2024. 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 command injection vulnerability was found in the IndieAuth functionality of the Ruby on Rails based Haven blog web application. The affected functionality requires authentication, but an attacker can craft a link that they can pass to a logged in administrator of the blog software. This leads to the immediate execution of the provided commands when the link is accessed by the authenticated administrator. This issue may lead to Remote Code Execution (RCE) and has been addressed by commit `c52f07c`. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Weakness: CWE-74
Which versions are affected by CVE-2024-39906?
How do I fix CVE-2024-39906?
No fix has been published for CVE-2024-39906 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2024-39906 being exploited?
There is no known exploitation of CVE-2024-39906 in the wild and no public exploit code.
Sources
Also known as GHSA-65cm-7g24-hm9f.