CVE-2024-26141 Possible DoS Vulnerability with Range Header in Rack
Attackers can cause denial of service by sending crafted Range headers to Rack-based applications, leading to unexpectedly large responses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-26141?
CVE-2024-26141 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 28 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Rack is a modular Ruby web server interface. Carefully crafted Range headers can cause a server to respond with an unexpectedly large response. Responding with such large responses could lead to a denial of service issue. Vulnerable applications will use the `Rack::File` middleware or the `Rack::Utils.byte_ranges` methods (this includes Rails applications). The vulnerability is fixed in 3.0.9.1 and 2.2.8.1.
Weakness: CWE-400
Which versions are affected by CVE-2024-26141?
4 open source packages ship an affected version, including rack. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
rack RubyGems | From 1.3.0 | 2.2.8.1 |
rack RubyGems | From 1.3.0 | 2.2.8.1 |
rack RubyGems | From 3.0.0 | 3.0.9.1 |
rack RubyGems | From 3.0.0 | 3.0.9.1 |
Products include Debian Debian Linux, Rack Rack.
How do I fix CVE-2024-26141?
Upgrade rack to a fixed version for your release line: 2.2.8.1 or 3.0.9.1.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-26141 being exploited?
There is no known exploitation of CVE-2024-26141 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2024-26141, GHSA-xj5v-6v4g-jfw6, UBUNTU-CVE-2024-26141.